Sawyer; Joseph A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sawyer; Joseph A..The latest application filed is for "armature assembly for balanced moving armature magnetic transducer and method of locating and adjusting same".

Company Profile

0.6.3

Sawyer; Joseph A. - Camden ME

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Armature assembly for balanced moving armature magnetic transducer and method of locating and adjusting same Grant 6,763,571 - Tibbetts , et al. July 20, 2	2004-07-20
Magnetic transducers of improved resistance to arbitrary mechanical shock Grant 6,727,789 - Tibbetts , et al. April 27, 2	2004-04-27
Armature assembly for balanced moving armature magnetic transducer and method of locating and adjusting same App 20030138114 - Tibbetts, George C. ; et al.	2003-07-24
Magnetic transducers of improved resistance to arbitrary mechanical shock App 20020186110 - Tibbetts, George C. ; et al.	2002-12-12
Armature assembly for balanced moving armature magnetic transducer and method of locating and adjusting same App 20020125972 - Tibbetts, George C. ; et al.	2002-09-12
Encapsulated backplate for electret transducers Grant 4,442,324 - Blanchard , et al. April 10, 1	1984-04-10
Cell assembly for electret transducer Grant 4,418,246 - Sawyer November 29, 1	1983-11-29
Magnetic Reed Type Acoustic Transducer With Improved Armature Grant 3,617,653 - Tibbetts , et al. November 2, 1	1971-11-02
Acoustic Diaphragm And Translating Device Utilizing Same Grant 3,573,397 - Sawyer , et al. April 6, 1	1971-04-06

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