Cleveland, OH, United States of America

Fedchem, LLC


USPTO Granted Patents = 2


Trademarks = 3

Forward Citations = 4

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2 inventors (with patents filed for the assignee):

goldMedal Gregory Edward Kowalczyk (2 out of 2 patents)

silverMedal Charles E Pratt (1 out of 4 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 2 2025

2 Patents

#433 in Cleveland, OH

#3,555 in Ohio

#92,551 in US

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Cleveland, OH, United States of America
Forward Citations = 4

2 inventors:

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