DT

Donald S. Trevarthen

TE Tennant: 1 patents #106 of 188Top 60%
📍 Golden Valley, MN: #231 of 378 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,994,890 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4586208 Floor maintenance machine and method — 1986-05-06