DP

David E. Pettigrove

General Motors: 2 patents #6,250 of 18,328Top 35%
Overall (All Time): #2,291,651 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5280953 Displacement responsive air bag vent Michael John Wolanin, Laura C. Stevenson, Jack L. Jensen, John William Melvin, Laura Hawthorn +1 more 1994-01-25
5246250 Air bag valve assembly Michael John Wolanin, Laura C. Stevenson 1993-09-21