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For the Inventor, By the Inventor

City of Industry, CA, United States of America

Chi-hsin Impex, Inc.


USPTO Granted Patents = 1

Trademarks = 8

Forward Citations = 31

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1 inventor (with patents filed for the assignee):

goldMedal Yong S Chu (1 out of 23 patents)


1 patent:

1. 6923747 - Foldable treadmill (2005-08-02),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#146 in City of Industry, CA

#28,449 in California

#133,941 in US

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City of Industry, CA, United States of America

Chi-hsin Impex, Inc.

Forward Citations = 31

1 inventor:

goldMedal Yong S Chu (1 out of 23 patents)

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