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USPTO Patent Rankings Data through Dec 31, 2025
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Stephen L. Percoco — 2 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
Hull, MA: #23 of 61 inventorsTop 40%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Stephen L. Percoco has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1989 and the most recent in June 1996. Stephen L. Percoco ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Stephen L. Percoco in Hull, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5528915 Lock assembly 1996-06-25
4887856 Lock mounting assembly Jane M. Percoco 1989-12-19