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For the Inventor, By the Inventor

Long Grove, IL, United States of America

Gri Engineering & Development, LLC


USPTO Granted Patents = 2


Trademarks = 4

Forward Citations = 9

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5 inventors (with patents filed for the assignee):

goldMedal Steve Wang (1 out of 4 patents)

silverMedal Edgar N Calago (1 out of 7 patents)

bronzeMedal Mingxu Zhou (1 out of 1 patent)

4.  Jiashen Lin (1 out of 1 patent)

5.  Abhimanyu Kumar (1 out of 1 patent)


2 patents:

1. 9982732 - Vehicle brake rotor and method of making same (2018-05-29),
2. 8225911 - Disc brake assembly with shim plate (2012-07-24),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#6 in Long Grove, IL

#4,303 in Illinois

#92,551 in US

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Long Grove, IL, United States of America

Gri Engineering & Development, LLC

Forward Citations = 9

5 inventors:

goldMedal Steve Wang (1 out of 4 patents)

silverMedal Edgar N Calago (1 out of 7 patents)

bronzeMedal Mingxu Zhou (1 out of 1 patent)

4.  Jiashen Lin (1 out of 1 patent)

5.  Abhimanyu Kumar (1 out of 1 patent)

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