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For the Inventor, By the Inventor

Calumet City, IL, United States of America

Computer Identification Systems


USPTO Granted Patents = 2

Forward Citations = 33

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2 inventors (with patents filed for the assignee):

goldMedal Dean B Parkinson (2 out of 10 patents)

silverMedal Orton D Bergren (1 out of 5 patents)


2 patents:

1. 4544183 - Identification card with a radiant energy reactive coating (1985-10-01),
2. 4519632 - Identification card with heat reactive coating (1985-05-28),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#2 in Calumet City, IL

#4,303 in Illinois

#92,551 in US

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Calumet City, IL, United States of America

Computer Identification Systems

Forward Citations = 33

2 inventors:

goldMedal Dean B Parkinson (2 out of 10 patents)

silverMedal Orton D Bergren (1 out of 5 patents)

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