John E. Doane — 1 Patent at General Motors

John E. Doane has been granted 1 US patent while listed as an inventor at General Motors. All of these patents were granted in 2009. John E. Doane ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John E. Doane in Goodrich, MI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7565888	System to release a stuck lock-pin in a cam phaser	Craig M. Sawdon, Jerry W. Kortge, Gregory J. York	2009-07-28

John E. Doane — 1 Patent

Issued Patents All Time

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