DC

David J. Colgrove

SP Sperry: 1 patents #355 of 841Top 45%
📍 Winslow, GB: #6 of 11 inventorsTop 55%
Overall (All Time): #4,087,397 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4261161 Agricultural machinery protective system Antoon S. P. Cools, Eric A. Mortier 1981-04-14