Canfield; Gregory H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Canfield; Gregory H..The latest application filed is for "offset cartridge microphones".
- Canfield; Gregory H. - Niles IL
| Patent | Date |
|---|---|
| Offset Cartridge Microphones App 20220007104 - Shumard; Brent Robert ; et al. | 2022-01-06 |
| Offset cartridge microphones Grant 10,547,935 - Shumard , et al. Ja | 2020-01-28 |
| Offset Cartridge Microphones App 20180310096 - Shumard; Brent Robert ; et al. | 2018-10-25 |
| Offset cartridge microphones Grant 10,009,684 - Shumard , et al. June 26, 2 | 2018-06-26 |
| Offset Cartridge Microphones App 20170230748 - Shumard; Brent Robert ; et al. | 2017-08-10 |
| Offset cartridge microphones Grant 9,554,207 - Shumard , et al. January 24, 2 | 2017-01-24 |
| Offset Cartridge Microphones App 20160323667 - Shumard; Brent Robert ; et al. | 2016-11-03 |
| Digital Microphone Automixer Grant 8,644,477 - Gilbert , et al. February 4, 2 | 2014-02-04 |
| Digital Microphone Automixer App 20070191977 - Gilbert; Mark W. ; et al. | 2007-08-16 |
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