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Inventor

David Q. Dobras

Inventor
San Francisco, CA, US

Overview

3→
Patents
1999–2009
Patent span
LOC
Primary field

Patents· 3 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 transducers33%
LOC1433%
LOC2433%
PatentTitleYear
7,522,743'High comfort sound delivery system'2009D0411885'Behind the ear communication device housing'1999D0411540'Communications earpiece'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to MOTOROLA INC (1)· patent assignee history
1999Patents assigned to RESOUND CORP (1)· patent assignee history
1999–2009Based in San Francisco, CA, US· patent location history
2009Patents assigned to STEP COMM (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOTOROLA INC11999
RESOUND CORP11999
STEP COMM12009
Locations
LocationPatentsSpan
San Francisco, California, US31999–2009