DR

Donald K. Roberts

Tektronix: 1 patents #823 of 1,698Top 50%
📍 Beaverton, OR: #1,624 of 3,140 inventorsTop 55%
🗺 Oregon: #12,654 of 28,073 inventorsTop 50%
Overall (All Time): #2,347,177 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4576375 Flotation trampoline 1986-03-18
4375660 Ground isolation monitoring apparatus having a protective circuit Stanley H. Tate, Carl E. Hollingsworth, William R. Nute 1983-03-01