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For the Inventor, By the Inventor

Darien, IL, United States of America

Rotation Dynamics Corporation


USPTO Granted Patents = 2

Trademarks = 3

Forward Citations = 7

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3 inventors (with patents filed for the assignee):

goldMedal Joe Kelly Williams (1 out of 1 patent)

silverMedal Michael Piontek (1 out of 4 patents)

bronzeMedal Gary A Zagorski (1 out of 1 patent)


2 patents:

1. 9434152 - Method and apparatus for a carbon fiber printing press roller with a nylon or chrome outer surface (2016-09-06),
2. 4966555 - Electrostatic assist rotogravure printing safety contact (1990-10-30),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#7 in Darien, IL

#4,304 in Illinois

#92,554 in US

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Darien, IL, United States of America

Rotation Dynamics Corporation

Forward Citations = 7

3 inventors:

goldMedal Joe Kelly Williams (1 out of 1 patent)

silverMedal Michael Piontek (1 out of 4 patents)

bronzeMedal Gary A Zagorski (1 out of 1 patent)

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