RK

Roger W. Knowles

📍 Euless, TX: #158 of 280 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #2,953,098 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9695569 Manhole cover sealing device — 2017-07-04