DT

Duane E. Thewlis

BG B. F. Goodrich: 2 patents #236 of 734Top 35%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,674,366 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4786087 Quick disconnect coupling Eugene W. Brown 1988-11-22
4707205 Method for making an inflatable mandrel Marshall E. Bishop 1987-11-17
4632328 Inflatable mandrel and method therefor Marshall E. Bishop 1986-12-30