El Cerrito, CA, United States of America

Challenging Solutions, Inc.


USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 38

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2 inventors (with patents filed for the assignee):

goldMedal Wesley Siebenthal (1 out of 2 patents)

silverMedal Ernesto Diaz-Flores (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#12 in El Cerrito, CA

#28,980 in California

#136,540 in US

El Cerrito, CA (US)
El Cerrito, CA, United States of America
Forward Citations = 38

2 inventors:

Please report any incorrect information to [email protected]
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