DG

David B. Grapes

WP W.W. Patterson: 1 patents #1 of 2Top 50%
📍 Pittsburgh, PA: #102 of 387 inventorsTop 30%
🗺 Pennsylvania: #1,270 of 5,047 inventorsTop 30%
Overall (2004): #239,860 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6726182 Manual winch with dual locking dogs Richard A. Topping, Jr. 2004-04-27