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USPTO Patent Rankings Data through Dec 31, 2025
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Don Walker, II — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Santa Ana, CA: #572 of 1,362 inventorsTop 45%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Don Walker, II has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2000 and the most recent in January 2009. Don Walker, II ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Don Walker, II in Santa Ana, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D585097 Extending handle and dentile top and bottom bodied paintball marker Rick Dochterman, Nathan Greenman 2009-01-20
6120416 Isometric arm and leg exerciser 2000-09-19