Hong Kong, China

Ngai Keung Metal & Plastic Manufactory Ltd.


USPTO Granted Patents = 3

Forward Citations = 5

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2 inventors (with patents filed for the assignee):

goldMedal Andrew Shun Chiu (2 out of 4 patents)

silverMedal Andrew Shun Pui Chiu (1 out of 3 patents)


3 patents:

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#902 in Hong Kong

#7,260 in China

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Hong Kong, China
Forward Citations = 5

2 inventors:

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