Barker, III; Charles R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barker, III; Charles R..The latest application filed is for "directional electroacoustical transducing".
- Barker, III; Charles R. - Framingham MA US
- Barker, III; Charles R. - Harvard MA
| Patent | Date |
|---|---|
| Forming spectral filters Grant 10,397,558 - Lippey , et al. A | 2019-08-27 |
| Forming spectral filters Grant 9,313,482 - Lippey , et al. April 12, 2 | 2016-04-12 |
| Directional electroacoustical transducing Grant 9,014,404 - Aylward , et al. April 21, 2 | 2015-04-21 |
| Directional Electroacoustical Transducing App 20120224729 - AYLWARD; J. Richard ; et al. | 2012-09-06 |
| Directional electroacoustical transducing Grant 8,139,797 - Aylward , et al. March 20, 2 | 2012-03-20 |
| Forming Spectral Filters App 20110310479 - Lippey; Barret ; et al. | 2011-12-22 |
| Seat electroacoustical transducing Grant 8,045,743 - Aylward , et al. October 25, 2 | 2011-10-25 |
| Induction Cookware Identifying App 20100147832 - Barker, III; Charles R. ; et al. | 2010-06-17 |
| Seat electroacoustical transducing Grant 7,688,992 - Aylward , et al. March 30, 2 | 2010-03-30 |
| Electroacoustical transducing with low frequency augmenting devices Grant 7,676,047 - Aylward , et al. March 9, 2 | 2010-03-09 |
| Forming Spectral Filters App 20100039352 - Lippey; Barret ; et al. | 2010-02-18 |
| Seat Electroacoustical Transducing App 20090284055 - Aylward; Richard ; et al. | 2009-11-19 |
| Multiple voicecoil and driver transducing Grant 6,782,111 - Wagner, II , et al. August 24, 2 | 2004-08-24 |
| High performance fan heatsink assembly Grant 5,597,034 - Barker, III , et al. January 28, 1 | 1997-01-28 |
| Adaptive cooling system Grant 5,410,448 - Barker, III , et al. April 25, 1 | 1995-04-25 |
| Package for EMI, ESD, thermal, and mechanical shock protection of circuit chips Grant 5,175,613 - Barker, III , et al. December 29, 1 | 1992-12-29 |
| Cabinet for a computer assembly Grant 4,728,160 - Mondor , et al. March 1, 1 | 1988-03-01 |
| Semiconductor junction temperature emulator Grant 4,669,025 - Barker, III , et al. May 26, 1 | 1987-05-26 |
| Loudspeaker system with broad image source Grant 4,266,092 - Barker, III * May 5, 1 | 1981-05-05 |
| Loudspeaker system with broad image source with directionality control for the tweeter Grant 4,133,975 - Barker, III January 9, 1 | 1979-01-09 |
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