San Ramon, CA, United States of America

Chf Technologies, Inc.


USPTO Granted Patents = 2


Forward Citations = 78

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5 inventors (with patents filed for the assignee):

goldMedal Sing-Fatt Chin (2 out of 25 patents)

silverMedal Lon S Annest (2 out of 62 patents)

bronzeMedal Arthur A Bertolero (1 out of 70 patents)

4 Rob O'Reilly (1 out of 1 patent)

5 David K Swanson (329 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 2 2025

2 Patents

#83 in San Ramon, CA

#20,524 in California

#92,551 in US

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San Ramon, CA, United States of America
Forward Citations = 78

5 inventors:

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