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USPTO Patent Rankings Data through Dec 31, 2025
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Douglas James Adelman — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Maple Heights, OH: #19 of 60 inventorsTop 35%
Ohio: #30,551 of 73,341 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Douglas James Adelman has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2000 and the most recent in May 2002. Douglas James Adelman ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Douglas James Adelman in Maple Heights, OH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D457199 Double-sided scalene triangle puzzle 2002-05-14
D429775 Scalene triangle puzzle 2000-08-22