Robert A. MacDonald

Person

Plymouth, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Block, block system and method of making a block
- Patent number 11,958,211
- Issue date Apr 16, 2024
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Block, block system and method of making a block
- Patent number 11,498,241
- Issue date Nov 15, 2022
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Patio blocks and block systems with side surface positioning and re...
- Patent number 11,060,305
- Issue date Jul 13, 2021
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Wall blocks, veneer panels for wall blocks and method of constructi...
- Patent number 10,927,547
- Issue date Feb 23, 2021
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Veneer connectors, wall blocks, veneer panels for wall blocks, and...
- Patent number 10,760,281
- Issue date Sep 1, 2020
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Grant
Twisted block
- Patent number 10,760,224
- Issue date Sep 1, 2020
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Blocks, block systems and methods of making blocks
- Patent number 10,760,242
- Issue date Sep 1, 2020
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Grant
Patio blocks and block systems with side surface positioning and re...
- Patent number 10,655,340
- Issue date May 19, 2020
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Blocks and block connectors, block systems and methods of making bl...
- Patent number 10,422,101
- Issue date Sep 24, 2019
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Patio blocks and block systems with side surface positioning and re...
- Patent number 10,370,859
- Issue date Aug 6, 2019
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Blocks, block systems and methods of making blocks
- Patent number 10,337,163
- Issue date Jul 2, 2019
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Twisted block
- Patent number 10,329,717
- Issue date Jun 25, 2019
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Veneer connectors, wall blocks, veneer panels for wall blocks, and...
- Patent number 10,156,077
- Issue date Dec 18, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Grant
Landscaping block
- Patent number D824542
- Issue date Jul 31, 2018
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D25 - Building units and construction elements
Information Patent Grant
Landscaping block
- Patent number D819231
- Issue date May 29, 2018
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D25 - Building units and construction elements
Information Patent Grant
Wall block and wall block system
- Patent number 9,957,687
- Issue date May 1, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Grant
Landscaping block
- Patent number D816869
- Issue date May 1, 2018
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D25 - Building units and construction elements
Information Patent Grant
Patio blocks and block systems with side surface positioning and re...
- Patent number 9,951,527
- Issue date Apr 24, 2018
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- E04 - BUILDING
Information Patent Grant
Connector
- Patent number D815938
- Issue date Apr 24, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- D08 - Tools and hardware
Information Patent Grant
Connector
- Patent number D814911
- Issue date Apr 10, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- D08 - Tools and hardware
Information Patent Grant
Connector
- Patent number D814278
- Issue date Apr 3, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- D08 - Tools and hardware
Information Patent Grant
Block splitter assembly and method of producing wall blocks
- Patent number 9,925,692
- Issue date Mar 27, 2018
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Wall block
- Patent number D812781
- Issue date Mar 13, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- D25 - Building units and construction elements
Information Patent Grant
Blocks and block connectors, block systems and methods of making bl...
- Patent number 9,903,088
- Issue date Feb 27, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Grant
Landscaping block
- Patent number D810322
- Issue date Feb 13, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- D25 - Building units and construction elements
Information Patent Grant
Edger having connection surfaces
- Patent number 9,832,934
- Issue date Dec 5, 2017
- Keystone Retaining Wall Systems LLC
- Thomas S. Riccobene
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Blocks, block systems and methods of making blocks
- Patent number 9,834,902
- Issue date Dec 5, 2017
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Irregular trapezoidal building unit and wall structure including same
- Patent number 9,739,028
- Issue date Aug 22, 2017
- Keystone Retaining Wall Systems LLC
- Thomas S. Riccobene
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Connection surface for a structural unit and method of making same
- Patent number 9,732,523
- Issue date Aug 15, 2017
- Keystone Retaining Wall Systems LLC
- Thomas S. Riccobene
- E04 - BUILDING
Information Patent Grant
Landscaping block
- Patent number D791345
- Issue date Jul 4, 2017
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D25 - Building units and construction elements

Patents Applicationslast 30 patents

Information Patent Application
BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK
- Publication number 20230219253
- Publication date Jul 13, 2023
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...
- Publication number 20210172171
- Publication date Jun 10, 2021
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...
- Publication number 20200284046
- Publication date Sep 10, 2020
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert John Lundell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...
- Publication number 20190352914
- Publication date Nov 21, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert John Lundell
- E04 - BUILDING
Information Patent Application
BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS
- Publication number 20190323198
- Publication date Oct 24, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
TWISTED BLOCK
- Publication number 20190309484
- Publication date Oct 10, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
CONNECTION SURFACE FOR A STRUCTURAL UNIT AND METHOD OF MAKING SAME
- Publication number 20190234041
- Publication date Aug 1, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Thomas S. Riccobene
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
VENEER CONNECTORS, WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS, AND...
- Publication number 20190055736
- Publication date Feb 21, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
PERMEABLE SURFACE COVERING UNITS AND PERMEABLE SURFACE COVERING
- Publication number 20180371705
- Publication date Dec 27, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...
- Publication number 20180334805
- Publication date Nov 22, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK
- Publication number 20180333893
- Publication date Nov 22, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...
- Publication number 20180238061
- Publication date Aug 23, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert John Lundell
- E04 - BUILDING
Information Patent Application
BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS
- Publication number 20180044877
- Publication date Feb 15, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BLOCKS AND BLOCK CONNECTORS, BLOCK SYSTEMS AND METHODS OF MAKING BL...
- Publication number 20180030683
- Publication date Feb 1, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
VENEER CONNECTORS, WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS, AND...
- Publication number 20180023303
- Publication date Jan 25, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
PERMEABLE SURFACE COVERING UNITS AND PERMEABLE SURFACE COVERING
- Publication number 20170167086
- Publication date Jun 15, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
WALL BLOCK AND WALL BLOCK SYSTEM
- Publication number 20170114515
- Publication date Apr 27, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
TWISTED BLOCK
- Publication number 20170051458
- Publication date Feb 23, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
CONNECTION SURFACE FOR A STRUCTURAL UNIT AND METHOD OF MAKING SAME
- Publication number 20170022710
- Publication date Jan 26, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Thomas S. Riccobene
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...
- Publication number 20170022722
- Publication date Jan 26, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert John Lundell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS
- Publication number 20160303763
- Publication date Oct 20, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS
- Publication number 20160244936
- Publication date Aug 25, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
EDGER HAVING CONNECTION SURFACES
- Publication number 20160242364
- Publication date Aug 25, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Thomas S. Riccobene
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
BLOCKS AND BLOCK CONNECTORS, BLOCK SYSTEMS AND METHODS OF MAKING BL...
- Publication number 20160237638
- Publication date Aug 18, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...
- Publication number 20160069078
- Publication date Mar 10, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WALL BLOCK AND WALL BLOCK SYSTEM
- Publication number 20160010307
- Publication date Jan 14, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
CONNECTION SURFACE FOR A STRUCTURAL UNIT
- Publication number 20150132057
- Publication date May 14, 2015
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Thomas S. Riccobene
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK
- Publication number 20150097312
- Publication date Apr 9, 2015
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
RETAINING WALL BLOCK
- Publication number 20150042015
- Publication date Feb 12, 2015
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
SLANT WALL BLOCK AND WALL SECTION INCLUDING SAME
- Publication number 20150040507
- Publication date Feb 12, 2015
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Robert A. MacDonald

Person

Patents Grantslast 30 patents

Block, block system and method of making a block

Block, block system and method of making a block

Patio blocks and block systems with side surface positioning and re...

Wall blocks, veneer panels for wall blocks and method of constructi...

Veneer connectors, wall blocks, veneer panels for wall blocks, and...

Twisted block

Blocks, block systems and methods of making blocks

Patio blocks and block systems with side surface positioning and re...

Blocks and block connectors, block systems and methods of making bl...

Patio blocks and block systems with side surface positioning and re...

Blocks, block systems and methods of making blocks

Twisted block

Veneer connectors, wall blocks, veneer panels for wall blocks, and...

Landscaping block

Landscaping block

Wall block and wall block system

Landscaping block

Patio blocks and block systems with side surface positioning and re...

Connector

Connector

Connector

Block splitter assembly and method of producing wall blocks

Wall block

Blocks and block connectors, block systems and methods of making bl...

Landscaping block

Edger having connection surfaces

Blocks, block systems and methods of making blocks

Irregular trapezoidal building unit and wall structure including same

Connection surface for a structural unit and method of making same

Landscaping block

Patents Applicationslast 30 patents

BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK

WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...

PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...

PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...

BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS

TWISTED BLOCK

CONNECTION SURFACE FOR A STRUCTURAL UNIT AND METHOD OF MAKING SAME

VENEER CONNECTORS, WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS, AND...

PERMEABLE SURFACE COVERING UNITS AND PERMEABLE SURFACE COVERING

WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...

BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK

PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...

BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS

BLOCKS AND BLOCK CONNECTORS, BLOCK SYSTEMS AND METHODS OF MAKING BL...

VENEER CONNECTORS, WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS, AND...

PERMEABLE SURFACE COVERING UNITS AND PERMEABLE SURFACE COVERING

WALL BLOCK AND WALL BLOCK SYSTEM

TWISTED BLOCK

CONNECTION SURFACE FOR A STRUCTURAL UNIT AND METHOD OF MAKING SAME

PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...

BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS

BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS

EDGER HAVING CONNECTION SURFACES

BLOCKS AND BLOCK CONNECTORS, BLOCK SYSTEMS AND METHODS OF MAKING BL...

WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...

WALL BLOCK AND WALL BLOCK SYSTEM

CONNECTION SURFACE FOR A STRUCTURAL UNIT

BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK

RETAINING WALL BLOCK

SLANT WALL BLOCK AND WALL SECTION INCLUDING SAME