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USPTO Patent Rankings Data through Dec 31, 2025
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Harold E. Duryea — 1 Patent

FMFiber Materials: 1 patents #7 of 18Top 40%
Saco, ME: #46 of 81 inventorsTop 60%
Maine: #2,326 of 4,281 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Harold E. Duryea has been granted 1 US patent while listed as an inventor at Fiber Materials. All of these patents were granted in 1989. Harold E. Duryea ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Harold E. Duryea in Saco, ME, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4820576 Fire retardant polymer resin 1989-04-11