Company Badge
USPTO Data Jan 1 1976 - Oct 6 2026
2 Patents
#1 in Reading, MI
#3,186 in Michigan
#94,782 in US
Roll-Tech, Inc.
Forward Citations = 77
4 inventors:
Reading, MI, United States of America
Roll-Tech, Inc.
% Expired Patents = 50.0
Trademarks = 1
Forward Citations = 77
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4 inventors (with patents filed for the assignee):
Charles E Ash (1 out of 28 patents)
John H Gillen (1 out of 15 patents)
John M Clark (1 out of 3 patents)
4. J Matthew Clark (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Roll-Tech, Inc.. Retrieved from https://idiyas.com/company/roll-tech
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]