RS

Richard K. Smith

EC Earth Tool Company: 1 patents #4 of 7Top 60%
VM Vermeer Manufacturing: 1 patents #11 of 28Top 40%
📍 Maple Grove, MN: #40 of 116 inventorsTop 35%
🗺 Minnesota: #1,525 of 4,860 inventorsTop 35%
Overall (2003): #133,653 of 273,478Top 50%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6533052 Drill bit for impact-assisted directional boring Steven W. Wentworth, Robert F. Crane, Mark D. Randa, Randy R. Runquist 2003-03-18