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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JD

John Peter Duffield — 1 Patent in 2020

EIElectronics For Imaging: 1 patents #3 of 22Top 15%
Stratham, NH: #5 of 14 inventorsTop 40%
New Hampshire: #584 of 1,693 inventorsTop 35%
Overall (2020): #414,881 of 565,922Top 75%
1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10752022 Multilayer imaging with a high-gloss clear ink layer Bruce Klemann, Joshua MCGRATH 2020-08-25