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John Peter Duffield — 1 Patent in 2025

EIElectronics For Imaging: 1 patents #8 of 22Top 40%

Stratham, NH: #8 of 18 inventorsTop 45%

New Hampshire: #460 of 1,239 inventorsTop 40%

Overall (2025): #180,257 of 469,880Top 40%

1 Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
12320681	Linear rotary encoder	—	2025-06-03