RK

Roger W. Knowles

📍 Euless, TX: #6 of 25 inventorsTop 25%
🗺 Texas: #5,225 of 15,389 inventorsTop 35%
Overall (2017): #263,166 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

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