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For the Inventor, By the Inventor

Belleville, IL, United States of America

Offspring, LLC


USPTO Granted Patents = 1


Trademarks = 2

Forward Citations = 52

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1 inventor (with patents filed for the assignee):

goldMedal Robert H Graebe (1 out of 33 patents)


1 patent:

1. 6487738 - Constant restoring force support surface (2002-12-03),
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USPTO Data Jan 1 1976 - Sep 15 2026

1 Patents

#17 in Belleville, IL

#6,174 in Illinois

#136,534 in US

Belleville, IL (US)
Belleville, IL, United States of America

Offspring, LLC

Forward Citations = 52

1 inventor:

goldMedal Robert H Graebe (1 out of 33 patents)

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