For the Inventor, By the Inventor

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Fortuna, CA, United States of America

C. Crane

USPTO Granted Patents = 3

Trademarks = 4

Forward Citations = 10

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1 inventor (with patents filed for the assignee):

Robert C Crane (3 out of 12 patents)

3 patents: Sort by Forward Citations

1. D960860 - Radio knob (2022-08-16),

2. D878324 - In-line amplifier (2020-03-17),

3. D874441 - Softspeaker cover (2020-02-04),

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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#1 in Fortuna, CA

#16,824 in California

#73,732 in US

Fortuna, CA, United States of America

C. Crane

Forward Citations = 10

1 inventor:

Robert C Crane (3 out of 12 patents)

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