Hong Kong, China

John Manufacturing Lmtd.


USPTO Granted Patents = 1

Forward Citations = 8

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1 inventor (with patents filed for the assignee):

goldMedal John S Yuen (1 out of 211 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#1,765 in Hong Kong

#16,038 in China

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Hong Kong, China
Forward Citations = 8

1 inventor:

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