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Inventor

Gary R. Kenworthy

Inventor
Fremont, CA, US

Overview

5→
Patents
1987–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
G08BSignalling systems, e.g. personal calling systems13%
G10LSpeech analysis techniques or speech synthesis13%
H03HImpedance networks, e.g. resonant circuits13%
H04BTransmission13%
H04NPictorial communication, e.g. television13%
LOC1413%
PatentTitleYear
D0918209Handheld scanner tip20218,416,295'Surveillance data recording device and method'20135,691,978'Self-cancelling full-duplex RF communication system'19975,029,217'Digital hearing enhancement apparatus'19914,658,426'Adaptive noise suppressor'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1991Patents assigned to ANTIN HAROLD (2)· patent assignee history
1987–1991Patents assigned to ANTIN MARK (2)· patent assignee history
1987–1991Based in Fremont, CA, US· patent location history
1997Based in Pleasanton, CA, US· patent location history
2013Patents assigned to JONES S BERT (1)· patent assignee history
2013Patents assigned to KENWORTHY GARY R (1)· patent assignee history
2013Based in Calistoga, CA, US· patent location history
2021Patents assigned to D4D TECH LLC (1)· patent assignee history
2021Based in Allen, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ANTIN HAROLD21987–1991
ANTIN MARK21987–1991
D4D TECH LLC12021
JONES S BERT12013
KENWORTHY GARY Rself12013
Locations
LocationPatentsSpan
Fremont, California, US21987–1991
Allen, Texas, US12021
Calistoga, California, US12013
Pleasanton, California, US11997