Unruh; Andrew David

Patent Applications and Registrations

Patent applications and USPTO patent grants for Unruh; Andrew David.The latest application filed is for "multi-microphone feedforward active noise cancellation".

Company Profile

0.6.6

Unruh; Andrew David - San Jose CA
Unruh; Andrew David - Itasca IL

*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
Multi-microphone feedforward active noise cancellation Grant 10,403,259 - Unruh Sep	2019-09-03
Multi-microphone Feedforward Active Noise Cancellation App 20180366099 - UNRUH; Andrew David	2018-12-20
Acoustic echo cancellation reference signal Grant 10,045,122 - Shah , et al. August 7, 2	2018-08-07
Acoustic transducer comprising a plurality of coaxially arranged diaphragms Grant 9,967,673 - Unruh , et al. May 8, 2	2018-05-08
Acoustic Echo Cancellation Reference Signal App 20170208391 - Shah; Pratik ; et al.	2017-07-20
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
Acoustic transducer comprising a plurality of coaxially arranged diaphragms App 20090190791 - Unruh; Andrew David ; et al.	2009-07-30
Method and apparatus for improving corrective audio equalization App 20040091120 - Kantor, Kenneth L. ; et al.	2004-05-13

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