Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DM

David Mitchenall — 1 Patent

General Motors: 1 patents #9,441 of 18,328Top 55%
Shelby Charter Township, MI: #408 of 712 inventorsTop 60%
Michigan: #50,030 of 86,293 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David Mitchenall has been granted 1 US patent while listed as an inventor at General Motors. All of these patents were granted in 2007. David Mitchenall ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Mitchenall in Shelby Charter Township, MI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7258384 Folding ramp system Mark Drabik, Kenneth V. Hollewa, Brian Harrod, Jay H. Ovenshire 2007-08-21 $14,905,000