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USPTO Patent Rankings Data through Dec 31, 2025
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Duncan Copeland — 2 Patents

STStreamlight: 2 patents #24 of 53Top 50%
Newtown, PA: #252 of 507 inventorsTop 50%
Pennsylvania: #30,766 of 74,527 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Duncan Copeland has been granted 2 US patents while listed as an inventor at Streamlight. All of these patents were granted in 1997. Duncan Copeland ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Duncan Copeland in Newtown, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D381812 Flashlight Raymond L. Sharrah, Vellisa VanScoyoc 1997-08-05
D380858 Flashlight Raymond L. Sharrah, Velissa VanScoyoc 1997-07-08