GD

Greg W. Draper

TW The Charles Machine Works: 1 patents #133 of 211Top 65%
📍 Perry, OK: #60 of 85 inventorsTop 75%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,733,067 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5703484 Roll independent variable inductance inclinometer John W. Bieberdorf, John C. Wisehart 1997-12-30