Robert A. Gravier

Follow

Person

Edina, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Retaining wall
- Patent number 7,524,144
- Issue date Apr 28, 2009
- Allan Block Corporation
- Robert Allan Gravier
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Reinforcing system for stackable retaining wall units
- Patent number 6,792,731
- Issue date Sep 21, 2004
- Timothy A. Bott
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Wall block with interlock
- Patent number 6,523,317
- Issue date Feb 25, 2003
- Allan Block Corporation
- Timothy A. Bott
- E04 - BUILDING
Information Patent Grant
Block structure and system for arranging above-ground fencing, rail...
- Patent number 5,623,797
- Issue date Apr 29, 1997
- Allan Block Corporation
- Robert A. Gravier
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Method of forming concrete retaining wall block
- Patent number 5,484,236
- Issue date Jan 16, 1996
- Allan Block Corporation
- Robert A. Gravier
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Concrete block for retaining walls
- Patent number 4,909,010
- Issue date Mar 20, 1990
- Allan Block Corporation
- Robert A. Gravier
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
CONCRETE BLOCKS WITH NON-GEOMETRIC FACE SURFACES
- Publication number 20090000234
- Publication date Jan 1, 2009
- Timothy A. Bott
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Retaining wall
- Publication number 20050279046
- Publication date Dec 22, 2005
- Robert Allan Gravier
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Reinforcing system for stackable retaining wall units
- Publication number 20030213203
- Publication date Nov 20, 2003
- Allan Block Corporation
- Timothy A. Bott
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WALL BLOCK WITH INTERLOCK
- Publication number 20030041546
- Publication date Mar 6, 2003
- Allan Block Corporation
- Timothy A. Bott
- E04 - BUILDING