Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Mitchell — 15 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Eastman, CA: #3 of 9 inventorsTop 35%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
David Mitchell has been granted 15 US patents while listed as an inventor at Unknown. The first was granted in 1991 and the most recent in December 2021. David Mitchell ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list David Mitchell in Eastman, QC, CA.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
D939300 Wrench with removable jaw inserts 2021-12-28
9969075 Hand implement with shock absorber Michael Moliner 2018-05-15
9003930 Clamping pliers 2015-04-14
8888724 Reciprocating brace Ned B. Armstrong 2014-11-18
D715609 Holding tool 2014-10-21
8292332 Swivel connector 2012-10-23
8276251 Hand tool 2012-10-02
7811072 Gear pump 2010-10-12
7752727 Holding device 2010-07-13
7225517 Holding device 2007-06-05
5271540 Combination bicycle rack and side carrier Robert Katz 1993-12-21
D328885 Brake or clutch lever or the like for a motorcycle 1992-08-25
D328886 Brake or clutch lever or the like for a motorcycle 1992-08-25
D327244 Brake or clutch lever or the like for a motorcycle 1992-06-23
5027570 Brace for a modified van wall Theodore W. Piotrowski 1991-07-02