RG

Robert A. Gravier

AB Allan Block: 5 patents #2 of 3Top 70%
📍 Bloomington, MN: #250 of 1,157 inventorsTop 25%
🗺 Minnesota: #11,810 of 52,454 inventorsTop 25%
Overall (All Time): #870,228 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7524144 Retaining wall Timothy A. Bott 2009-04-28
6792731 Reinforcing system for stackable retaining wall units Timothy A. Bott 2004-09-21
6523317 Wall block with interlock Timothy A. Bott 2003-02-25
5623797 Block structure and system for arranging above-ground fencing, railing and/or sound barriers Tim Allen Bott 1997-04-29
5484236 Method of forming concrete retaining wall block 1996-01-16
4909010 Concrete block for retaining walls 1990-03-20