GS

Gary C. Spence

General Motors: 1 patents #9,361 of 18,328Top 55%
📍 Swartz Creek, MI: #63 of 118 inventorsTop 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,530,623 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6658713 Semi-automatic engine piston assembly tool John W. Wittum, Christopher W. Zwolensky 2003-12-09