Mazejka; John W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mazejka; John W..The latest application filed is for "adaptable waveguides".
- Mazejka; John W. - Charlton MA
| Patent | Date |
|---|---|
| Adaptable waveguides Grant 11,303,995 - Pepin , et al. April 12, 2 | 2022-04-12 |
| Adaptable Waveguides App 20210185432 - Pepin; David L. ; et al. | 2021-06-17 |
| Over Torque Prevention Device App 20180112703 - Meyer, JR.; Dennis E. ; et al. | 2018-04-26 |
| Loudspeaker ceiling mount bracket Grant 8,311,262 - Kulchy , et al. November 13, 2 | 2012-11-13 |
| Dual configuration speaker Grant 8,126,180 - Jacob , et al. February 28, 2 | 2012-02-28 |
| Loudspeaker Ceiling Mount Bracket App 20110228967 - Kulchy; Randy J. ; et al. | 2011-09-22 |
| Dual Configuration Speaker App 20100111342 - Jacob; Kenneth D. ; et al. | 2010-05-06 |
| Loudspeaker enclosure mounting above listener Grant 6,735,321 - Mazejka , et al. May 11, 2 | 2004-05-11 |
| Loudspeaker enclosure mounting above listener App 20030190048 - Mazejka, John W. ; et al. | 2003-10-09 |
| Loudspeaker Grant D480,067 - Mazejka September 30, 2 | 2003-09-30 |
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