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USPTO Patent Rankings Data through Dec 31, 2025
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David W Sperry — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Fort Myers, FL: #162 of 489 inventorsTop 35%
Florida: #22,549 of 67,251 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David W Sperry has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2001 and the most recent in January 2021. David W Sperry ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David W Sperry in Fort Myers, FL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10898002 Self-contained event cheering apparatus 2021-01-26
6208260 Personal warning method and apparatus for traveling loads Jill West, Samir Berjaoui 2001-03-27