Donnell; Kenneth D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Donnell; Kenneth D..The latest application filed is for "acoustic musical instrument with transducers".
- Donnell; Kenneth D. - Greenville CA
- Donnell; Kenneth D. - Chico CA
- Donnell; Kenneth D. - Grass Valley CA
| Patent | Date |
|---|---|
| Acoustic musical instrument with transducers Grant 8,035,025 - Donnell October 11, 2 | 2011-10-11 |
| Multiple gooseneck microphones and methods for attachment Grant 6,441,292 - Donnell August 27, 2 | 2002-08-27 |
| Transducer system for acoustic instruments Grant 5,614,688 - Donnell March 25, 1 | 1997-03-25 |
| Microphone mount Grant 5,010,803 - Donnell April 30, 1 | 1991-04-30 |
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