LC

Larry S. Coffman

AR American Regent: 2 patents #82 of 274Top 30%
📍 Bowie, MD: #49 of 276 inventorsTop 20%
🗺 Maryland: #8,004 of 35,612 inventorsTop 25%
Overall (All Time): #1,249,463 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7625485 Stormwater bioretention filtration system with overflow/bypass capability Terry Lee Siviter, Brian Richard Hofe, Edward Stuart Kay 2009-12-01
7425261 Stormwater bioretention filtration system with overflow/bypass capability Terry Lee Siviter, Brian Richard Hofe, Edward Stuart Kay 2008-09-16
6569321 Method and apparatus for treating stormwater runoff 2003-05-27
6277274 Method and apparatus for treating stormwater runoff 2001-08-21