True; Robert J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for True; Robert J..The latest application filed is for "acoustic transducer comprising a plurality of coaxially arranged diaphragms".

Company Profile

0.6.5

True; Robert J. - Pleasant Prairie WI
True; Robert J. - Kenosha WI

*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
Acoustic transducer comprising a plurality of coaxially arranged diaphragms Grant 9,967,673 - Unruh , et al. May 8, 2	2018-05-08
Acoustic transducer comprising a plurality of coaxially arranged diaphragms Grant 9,462,388 - Unruh , et al. October 4, 2	2016-10-04
Acoustic Transducer Comprising A Plurality Of Coaxially Arranged Diaphragms App 20150036868 - UNRUH; Andrew David ; et al.	2015-02-05
Acoustic Transducer Comprising A Plurality Of Coaxially Arranged Diaphragms App 20150036867 - UNRUH; Andrew David ; et al.	2015-02-05
Acoustic transducer comprising a plurality of coaxially arranged diaphragms Grant 8,897,472 - Unruh , et al. November 25, 2	2014-11-25
Vehicular audio system including a headliner speaker, electromagnetic transducer assembly for use therein and computer system programmed with a graphic software control for changing the audio system's signal level and delay Grant 7,853,025 - Sleboda , et al. December 14, 2	2010-12-14
Acoustic transducer comprising a plurality of coaxially arranged diaphragms App 20090190791 - Unruh; Andrew David ; et al.	2009-07-30
Vehicular audio system and electromagnetic transducer assembly for use therein Grant 7,050,593 - Emerling , et al. May 23, 2	2006-05-23
Vehicular audio system including a headliner speaker, electromagnetic transducer assembly for use therein and computer system programmed with a graphic software control for changing the audio system's signal level and delay App 20060034467 - Sleboda; Pawel W. ; et al.	2006-02-16
Loudspeaker with assembly and performance improvements App 20050111689 - True, Robert J.	2005-05-26

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