David M. LaCroix

Person

St. Paul, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Retaining wall containing wall blocks with weight bearing pads
- Patent number 11,401,714
- Issue date Aug 2, 2022
- Keystone Retaining Wall Systems, LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Wall blocks having one or more multi-faceted faces or side walls, w...
- Patent number 11,174,616
- Issue date Nov 16, 2021
- Keystone Retaining Wall Systems LLC
- Dominic T. Riccobene
- E04 - BUILDING
Information Patent Grant
Landscaping block wall
- Patent number D905282
- Issue date Dec 15, 2020
- Keystone Retaining Wall Systems LLC
- Dominic T. Riccobene
- D25 - Building units and construction elements
Information Patent Grant
Wall blocks having one or more multi-faceted faces or side walls, w...
- Patent number 10,711,425
- Issue date Jul 14, 2020
- Keystone Retaining Wall Systems LLC
- Dominic T. Riccobene
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Retaining wall containing wall blocks with weight bearing pads
- Patent number 10,519,656
- Issue date Dec 31, 2019
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Landscaping block
- Patent number D866799
- Issue date Nov 12, 2019
- Keystone Retaining Wall Systems LLC
- Dominic T. Riccobene
- D25 - Building units and construction elements
Information Patent Grant
Block splitter assembly and method of producing wall blocks
- Patent number 9,943,983
- Issue date Apr 17, 2018
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
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
Block splitter assembly and method of producing wall blocks
- Patent number 9,643,337
- Issue date May 9, 2017
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Retaining wall containing wall blocks with weight bearing pads
- Patent number 9,580,881
- Issue date Feb 28, 2017
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Wall block with weight bearing pads and method of producing wall bl...
- Patent number 8,800,235
- Issue date Aug 12, 2014
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Block splitter assembly and method of producing wall blocks
- Patent number 8,701,648
- Issue date Apr 22, 2014
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Block splitter assembly and method of producing wall blocks
- Patent number 8,701,647
- Issue date Apr 22, 2014
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Floating cut-off bar for a mold box
- Patent number 8,568,129
- Issue date Oct 29, 2013
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Floating cut-off bar and method of use thereof
- Patent number 8,562,327
- Issue date Oct 22, 2013
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Block splitter assembly and method of producing wall blocks
- Patent number 8,448,634
- Issue date May 28, 2013
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Block splitter assembly and method of producing wall blocks
- Patent number 8,302,591
- Issue date Nov 6, 2012
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Wall block
- Patent number D633629
- Issue date Mar 1, 2011
- Keystone Retaining Wall Systems, Inc.
- Robert A. MacDonald
- D25 - Building units and construction elements
Information Patent Grant
Wall block
- Patent number D628713
- Issue date Dec 7, 2010
- Keystone Retaining Wall Systems, Inc.
- David M. LaCroix
- D25 - Building units and construction elements
Information Patent Grant
Wall block
- Patent number D624666
- Issue date Sep 28, 2010
- Keystone Retaining Wall Systems, Inc.
- David M. LaCroix
- D25 - Building units and construction elements
Information Patent Grant
Wall block body
- Patent number D621070
- Issue date Aug 3, 2010
- Keystone Retaining Wall Systems, Inc.
- Robert A. MacDonald
- D25 - Building units and construction elements
Information Patent Grant
Wall block
- Patent number D620615
- Issue date Jul 27, 2010
- Keystone Retaining Wall Systems, Inc.
- Robert A. MacDonald
- D25 - Building units and construction elements
Information Patent Grant
Wall block
- Patent number D610710
- Issue date Feb 23, 2010
- Keystone Retaining Wall Systems, Inc.
- David M. LaCroix
- D25 - Building units and construction elements
Information Patent Grant
Wall block body
- Patent number D610711
- Issue date Feb 23, 2010
- Keystone Retaining Wall Systems, Inc.
- David M. LaCroix
- D25 - Building units and construction elements

Patents Applicationslast 30 patents

Information Patent Application
WALL BLOCKS HAVING ONE OR MORE MULTI-FACETED FACES OR SIDE WALLS, W...
- Publication number 20200299920
- Publication date Sep 24, 2020
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Dominic T. Riccobene
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS
- Publication number 20200131766
- Publication date Apr 30, 2020
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WALL BLOCKS HAVING ONE OR MORE MULTI-FACETED FACES OR SIDE WALLS, W...
- Publication number 20190277001
- Publication date Sep 12, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Dominic T. Riccobene
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS
- Publication number 20180106038
- Publication date Apr 19, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS
- Publication number 20170121974
- Publication date May 4, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS
- Publication number 20170072593
- Publication date Mar 16, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
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
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
RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS
- Publication number 20150023741
- Publication date Jan 22, 2015
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS
- Publication number 20140090632
- Publication date Apr 3, 2014
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
FLOATING CUT-OFF BAR FOR A MOLD BOX
- Publication number 20140048964
- Publication date Feb 20, 2014
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
FLOATING CUT-OFF BAR AND METHOD OF USE THEREOF
- Publication number 20140042669
- Publication date Feb 13, 2014
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS
- Publication number 20130312727
- Publication date Nov 28, 2013
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS
- Publication number 20130239941
- Publication date Sep 19, 2013
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS
- Publication number 20130149043
- Publication date Jun 13, 2013
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
FLOATING CUT-OFF BAR AND METHOD OF USE THEREOF
- Publication number 20120146263
- Publication date Jun 14, 2012
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS
- Publication number 20110271946
- Publication date Nov 10, 2011
- KEYSTONE RETAINING WALL SYSTEMS, INC.
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
RETAINING WALL BLOCK
- Publication number 20110179747
- Publication date Jul 28, 2011
- KEYSTONE RETAINING WALL SYSTEMS, INC.
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
FLOATING CUT-OFF BAR AND METHOD OF USE THEREOF
- Publication number 20100310695
- Publication date Dec 9, 2010
- KEYSTONE RETAINING WALL SYSTEMS, INC.
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
FLOATING CUT-OFF BAR FOR A MOLD BOX
- Publication number 20100308502
- Publication date Dec 9, 2010
- KEYSTONE RETAINING WALL SYSTEMS, INC.
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
RETAINING WALL BLOCK
- Publication number 20090308015
- Publication date Dec 17, 2009
- KEYSTONE RETAINING WALL SYSTEMS, INC.
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
METHOD OF CONSTRUCTING A WALL OR FENCE WITH PANELS
- Publication number 20090151281
- Publication date Jun 18, 2009
- KEYSTONE RETAINING WALL SYSTEMS, INC.
- Robert A. MacDonald
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
WALL BLOCK WITH WEIGHT BEARING PADS AND METHOD OF PRODUCING WALL BL...
- Publication number 20090120029
- Publication date May 14, 2009
- KEYSTONE RETAINING WALL SYSTEMS, INC.
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS
- Publication number 20080302350
- Publication date Dec 11, 2008
- KEYSTONE RETAINING WALL SYSTEMS, INC.
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE

David M. LaCroix

Person

Patents Grantslast 30 patents

Retaining wall containing wall blocks with weight bearing pads

Wall blocks having one or more multi-faceted faces or side walls, w...

Landscaping block wall

Wall blocks having one or more multi-faceted faces or side walls, w...

Retaining wall containing wall blocks with weight bearing pads

Landscaping block

Block splitter assembly and method of producing wall blocks

Block splitter assembly and method of producing wall blocks

Block splitter assembly and method of producing wall blocks

Retaining wall containing wall blocks with weight bearing pads

Wall block with weight bearing pads and method of producing wall bl...

Block splitter assembly and method of producing wall blocks

Block splitter assembly and method of producing wall blocks

Floating cut-off bar for a mold box

Floating cut-off bar and method of use thereof

Block splitter assembly and method of producing wall blocks

Block splitter assembly and method of producing wall blocks

Wall block

Wall block

Wall block

Wall block body

Wall block

Wall block

Wall block body

Patents Applicationslast 30 patents

WALL BLOCKS HAVING ONE OR MORE MULTI-FACETED FACES OR SIDE WALLS, W...

RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS

WALL BLOCKS HAVING ONE OR MORE MULTI-FACETED FACES OR SIDE WALLS, W...

RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS

RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS

BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS

BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS

RETAINING WALL BLOCK

RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS

BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS

FLOATING CUT-OFF BAR FOR A MOLD BOX

FLOATING CUT-OFF BAR AND METHOD OF USE THEREOF

BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS

BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS

RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS

FLOATING CUT-OFF BAR AND METHOD OF USE THEREOF

BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS

RETAINING WALL BLOCK

FLOATING CUT-OFF BAR AND METHOD OF USE THEREOF

FLOATING CUT-OFF BAR FOR A MOLD BOX

RETAINING WALL BLOCK

METHOD OF CONSTRUCTING A WALL OR FENCE WITH PANELS

WALL BLOCK WITH WEIGHT BEARING PADS AND METHOD OF PRODUCING WALL BL...

BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS