Hathaway; Dana B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hathaway; Dana B..The latest application filed is for "low frequency sound generation system for use in vehicular passenger compartments".
- Hathaway; Dana B. - Amesbury MA
- Hathaway; Dana B. - Amesbery MA
| Patent | Date |
|---|---|
| Low frequency sound generation system for use in vehicular passenger compartments Grant 5,394,478 - Hathaway , et al. February 28, 1 | 1995-02-28 |
| Polymer-filled audio loudspeaker cabinet Grant 5,067,583 - Hathaway November 26, 1 | 1991-11-26 |
| Loudspeaker Grant D262,793 - Hathaway , et al. January 26, 1 | 1982-01-26 |
| Linear excursion-constant inductance loudspeaker Grant 4,295,011 - Hathaway October 13, 1 | 1981-10-13 |
| Loudspeaker and enclosure combination Grant 4,289,929 - Hathaway September 15, 1 | 1981-09-15 |
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