GS

Gary C. Spence

General Motors: 1 patents #113 of 467Top 25%
📍 Swartz Creek, MI: #3 of 9 inventorsTop 35%
🗺 Michigan: #1,670 of 6,370 inventorsTop 30%
Overall (2003): #223,622 of 273,478Top 85%
1
Patents 2003

Issued Patents 2003

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