RM

Ronald Marr

📍 Sykesville, MD: #66 of 165 inventorsTop 40%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,185,751 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6672256 Preformed modular trefoil and installation method Larry Shultz 2004-01-06
6257878 Preformed modular trefoil and installation method Larry Shultz 2001-07-10