DB

Donald W. Butler

SU Sundstrand: 1 patents #357 of 697Top 55%
📍 Roscoe, IL: #140 of 231 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,007,961 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4491374 Screw pump lubrication system Behzad Hagshenas, Anson Stark Coolidge 1985-01-01