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USPTO Data Jan 1 1976 - Oct 13 2026
3 Patents
#134 in Grand Rapids, MI
#2,495 in Michigan
#73,860 in US
Tolcon Steel Corporation
Forward Citations = 48
3 inventors:
Grand Rapids, MI, United States of America
Tolcon Steel Corporation
Forward Citations = 48
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3 inventors (with patents filed for the assignee):
Larry R Magnuson (2 out of 12 patents)
Wilbur E Tolliver (1 out of 33 patents)
Marshall O Willoughby (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tolcon Steel Corporation. Retrieved from https://idiyas.com/company/tolcon-steel
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]