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USPTO Patent Rankings Data through Dec 31, 2025
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James E. Keller — 4 Patents

EDElectro Audio Dynamics: 1 patents #2 of 4Top 50%
Milford, NH: #42 of 173 inventorsTop 25%
New Hampshire: #3,425 of 12,181 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
James E. Keller has been granted 4 US patents while listed as an inventor at Electro Audio Dynamics. The first was granted in 1980 and the most recent in March 2022. James E. Keller ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list James E. Keller in Milford, NH, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11272865 Audiometric probe including dual pressure transducer air system control 2022-03-15
10959630 Dual audiometric probe headset 2021-03-30
8398562 Ear canal pressurization device 2013-03-19
4237905 Automatic tympanometric testing means Irwin Klar 1980-12-09 $250,000