Walnut, CA, United States of America

Tappingstone Inc.


USPTO Granted Patents = 2

Forward Citations = 74

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4 inventors (with patents filed for the assignee):

goldMedal Simon Chan (2 out of 6 patents)

silverMedal Ka Hou Chan (2 out of 6 patents)

bronzeMedal Kit Pang Szeto (1 out of 8 patents)

4 Yue Kwen Justin Yip (1 out of 3 patents)


2 patents:

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#34 in Walnut, CA

#20,566 in California

#92,695 in US

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Walnut, CA, United States of America
Forward Citations = 74

4 inventors:

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