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Gary C. Spence — 1 Patent

General Motors: 1 patents #9,441 of 18,328Top 55%
Swartz Creek, MI: #64 of 118 inventorsTop 55%
Michigan: #50,030 of 86,293 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Gary C. Spence has been granted 1 US patent while listed as an inventor at General Motors. All of these patents were granted in 2003. Gary C. Spence ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Gary C. Spence in Swartz Creek, MI, US.

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

Frequent Collaborators

John W. Wittum1 shared
Christopher W. Zwolensky1 shared

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