Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Shell — 4 Patents

San Marcos, CA: #305 of 897 inventorsTop 35%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Shell has been granted 4 US patents. The first was granted in 1993 and the most recent in August 2014. David Shell ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Shell in San Marcos, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8807283 Lift apparatus Dennis B. Shell 2014-08-19
5307751 Device for releaseably connecting rope ends in tension 1994-05-03
5230295 Combination eye hook and modified cleat, particularly for cargo tie-down 1993-07-27
5209173 "Elongate fitting with an eye and a ""V""-channel for compressively engaging a rope, particularly for cargo tie-down" 1993-05-11