DS

David R. Smith

UC Unverferth Manufacturing Co.: 2 patents #1 of 7Top 15%
📍 Knoxville, TN: #7 of 147 inventorsTop 5%
🗺 Tennessee: #85 of 1,057 inventorsTop 9%
Overall (1997): #42,634 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5623997 Soil zone-builder coulter closer/tiller Ray Rawson, William C. Maenle 1997-04-29
5622124 Coulter fertilizer tine Loren G. Arnold, Kenneth L. Bellman 1997-04-22