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For the Inventor, By the Inventor

Taichung, Taiwan

Excell Cell Electronic Company, Limited


USPTO Granted Patents = 2

Forward Citations = 6

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1 inventor (with patents filed for the assignee):

goldMedal Chien-Ming Hu (2 out of 11 patents)


2 patents:

1. D544442 - Earphone jack (2007-06-12),
2. 6761593 - Electrical socket with a protrusion and a spring terminal piece for clamping a plug therebetween (2004-07-13),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#440 in Taichung

#4,103 in Taiwan

...
Taichung, Taiwan

Excell Cell Electronic Company, Limited

Forward Citations = 6

1 inventor:

goldMedal Chien-Ming Hu (2 out of 11 patents)

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