Petaluma, CA, United States of America

Castle, Inc.


USPTO Granted Patents = 2

Trademarks = 5

Forward Citations = 81

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2 inventors (with patents filed for the assignee):

goldMedal Max W Durney (2 out of 43 patents)

silverMedal David P Cole (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#61 in Petaluma, CA

#20,537 in California

#92,598 in US

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Petaluma, CA, United States of America
Forward Citations = 81

2 inventors:

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