JK

James E. Keller

ED Electro Audio Dynamics: 1 patents #2 of 4Top 50%
📍 Milford, NH: #42 of 173 inventorsTop 25%
🗺 New Hampshire: #3,397 of 12,181 inventorsTop 30%
Overall (All Time): #1,140,023 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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