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For the Inventor, By the Inventor

Taipei, Taiwan

Tri-Handling Ltd.


USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 13

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1 inventor (with patents filed for the assignee):

goldMedal Hui-Nan Yu (1 out of 29 patents)


1 patent:

1. 7115079 - Multi-stage adjustable spring resistant belly massager (2006-10-03),
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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#2,229 in Taipei

#6,122 in Taiwan

Taipei, TW
Taipei, Taiwan

Tri-Handling Ltd.

Forward Citations = 13

1 inventor:

goldMedal Hui-Nan Yu (1 out of 29 patents)

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