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For the Inventor, By the Inventor

Port Washington, NY, United States of America

Tdk U.s.a. Corporation


USPTO Granted Patents = 1

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

goldMedal Thomas J Glad (1 out of 2 patents)

silverMedal Gregory S Gillespie (1 out of 2 patents)


1 patent:

1. 5666431 - Volume control for a personal computer internal speaker (1997-09-09),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#60 in Port Washington, NY

#8,644 in New York

#136,675 in US

Port Washington, NY (US)
Port Washington, NY, United States of America

Tdk U.s.a. Corporation

Forward Citations = 1

2 inventors:

goldMedal Thomas J Glad (1 out of 2 patents)

silverMedal Gregory S Gillespie (1 out of 2 patents)

Please report any incorrect information to [email protected]
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