Keller; James E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keller; James E..The latest application filed is for "ear canal pressurization device".
- Keller; James E. - Murphy NC
- Keller; James E. - Milford NH
- Keller; James E. - Vancouver WA
| Patent | Date |
|---|---|
| Audiometric probe including dual pressure transducer air system control Grant 11,272,865 - Keller March 15, 2 | 2022-03-15 |
| Dual audiometric probe headset Grant 10,959,630 - Keller March 30, 2 | 2021-03-30 |
| Ear canal pressurization device Grant 8,398,562 - Keller March 19, 2 | 2013-03-19 |
| Ear Canal Pressurization Device App 20090012420 - Keller; James E. | 2009-01-08 |
| Acoustically auditing supervisory audiometer App 20040037428 - Keller, James E. | 2004-02-26 |
| Automatic tympanometric testing means Grant 4,237,905 - Keller , et al. December 9, 1 | 1980-12-09 |
| Drive arrangement for rotary shredding apparatus Grant 4,034,918 - Culbertson , et al. July 12, 1 | 1977-07-12 |
| SEC | 0001279426 | KELLER JAMES E |
| SEC | 0001487689 | Keller James E. |
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