Inventor

Douglas M. Chabries

Inventor
Orem, UT, US

Overview

15→
Patents
1980–2011
Patent span
Electricity
Primary field (CPC H)

Patents· 15 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 transducers37%
G01SRadio direction-finding15%
H03GControl of amplification15%
H03HImpedance networks, e.g. resonant circuits11%
G10LSpeech analysis techniques or speech synthesis7%
G01RMeasuring electric variables4%
G11CStatic stores4%
H03MCoding4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1981Patents assigned to US NAVY (2)· patent assignee history
1980Based in Vista, CA, US· patent location history
1981Based in Provo, UT, US· patent location history
1987–1991Patents assigned to ANTIN HAROLD (2)· patent assignee history
1987–1991Patents assigned to ANTIN MARK (2)· patent assignee history
1987–1993Based in Salem, UT, US· patent location history
1989–2011Patents assigned to UNIV BRIGHAM YOUNG (4)· patent assignee history
1991–1998Based in Woodland Hills, UT, US· patent location history
2000–2003Patents assigned to SONIC INNOVATIONS INC (4)· patent assignee history
2000–2011Based in Orem, UT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONIC INNOVATIONS INC42000–2003
UNIV BRIGHAM YOUNG41989–2011
ANTIN HAROLD21987–1991
ANTIN MARK21987–1991
US NAVY21980–1981
Locations
LocationPatentsSpan
Orem, UT, US62000–2011
Salem, UT, US41987–1993
Woodland Hills, UT, US31991–1998
Provo, UT, US11981
Vista, California, US11980