Sioux City, IA, United States of America

Circle a Products, Inc.


USPTO Granted Patents = 1

Forward Citations = 30

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3 inventors (with patents filed for the assignee):

goldMedal Gerald O Irvine (1 out of 8 patents)

silverMedal Christopher A Lindenberger (1 out of 1 patent)

bronzeMedal Marvin L Anderson (1 out of 3 patents)


1 patent:

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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#15 in Sioux City, IA

#897 in Iowa

#136,675 in US

Sioux City, IA (US)
Sioux City, IA, United States of America
Forward Citations = 30

3 inventors:

Please report any incorrect information to [email protected]
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