DC

Douglas M. Copp

General Motors: 4 patents #3,733 of 18,328Top 25%
Overall (All Time): #1,298,818 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5159998 Unispring drum brake assembly Robert W. Hyde, Frank W. Brooks, Sr., Gary G. Holliday, Michael W. Fanelli 1992-11-03
4886146 Blind cable assembly 1989-12-12
4762209 Drum brake assembly and shoe hold-down and retraction spring therefor 1988-08-09
4623050 Shoe hold-down pin and spring clip 1986-11-18