Walnut, CA, United States of America

Tappingstone Inc.


USPTO Granted Patents = 2

Forward Citations = 77

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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 4 patents)


2 patents:

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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#35 in Walnut, CA

#20,952 in California

#94,648 in US

Walnut, CA (US)
Walnut, CA, United States of America
Forward Citations = 77

4 inventors:

Please report any incorrect information to [email protected]
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