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For the Inventor, By the Inventor

Camarillo, CA, United States of America

Central Purchasing LLC


USPTO Granted Patents = 3

Trademarks = 17

Forward Citations = 94

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3 inventors (with patents filed for the assignee):

goldMedal Ziqian Wu (1 out of 57 patents)

silverMedal Wang Gang (1 out of 3 patents)

bronzeMedal Gary W Walters (1 out of 1 patent)


3 patents:

1. 7661171 - Ramp with vehicle attachment (2010-02-16),
2. D521190 - Welding helmet (2006-05-16),
3. 6279248 - Digital measuring system having a multi-row encoder disk (2001-08-28),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#73 in Camarillo, CA

#16,427 in California

#72,037 in US

...
Camarillo, CA, United States of America

Central Purchasing LLC

Forward Citations = 94

3 inventors:

goldMedal Ziqian Wu (1 out of 57 patents)

silverMedal Wang Gang (1 out of 3 patents)

bronzeMedal Gary W Walters (1 out of 1 patent)

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