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For the Inventor, By the Inventor

Naperville, IL, United States of America

21st Century Structures, LLC


USPTO Granted Patents = 2

Forward Citations = 26

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2 inventors (with patents filed for the assignee):

goldMedal Richard F Wehrli (2 out of 2 patents)

silverMedal Joseph P Gallione (1 out of 5 patents)


2 patents:

1. 7607873 - Concrete panel trailer assembly with strut-mounted wheels (2009-10-27),
2. 6821066 - Precast concrete panel combination trailer and storage rack assembly (2004-11-23),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#65 in Naperville, IL

#4,304 in Illinois

#92,555 in US

...
Naperville, IL, United States of America

21st Century Structures, LLC

Forward Citations = 26

2 inventors:

goldMedal Richard F Wehrli (2 out of 2 patents)

silverMedal Joseph P Gallione (1 out of 5 patents)

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