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For the Inventor, By the Inventor

Taoyuan, Taiwan

Grandvance Technology, Inc.


USPTO Granted Patents = 2

Forward Citations = 0

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1 inventor (with patents filed for the assignee):

goldMedal Che-Wei Lee (2 out of 11 patents)


2 patents:

1. 12546334 - Centrifugal fan (2026-02-10),
2. 12305665 - Viscous flow blower (2025-05-20),
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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#335 in Taoyuan

#4,245 in Taiwan

Taoyuan, TW
Taoyuan, Taiwan

Grandvance Technology, Inc.

Forward Citations = 0

1 inventor:

goldMedal Che-Wei Lee (2 out of 11 patents)

Please report any incorrect information to [email protected]
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