Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#6 in Calumet, MI
#3,189 in Michigan
#94,841 in US
Signature Research, Inc.
Forward Citations = 38
5 inventors:
Calumet, MI, United States of America
Signature Research, Inc.
% Expired Patents = 100.0
Trademarks = 1
Forward Citations = 38
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5 inventors (with patents filed for the assignee):
William R Reynolds (2 out of 2 patents)
James E Hertel (1 out of 1 patent)
Keith R Rutkowski (1 out of 1 patent)
4. Wade W Brown (1 out of 4 patents)
5. John W Hilgers (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Signature Research, Inc.. Retrieved from https://idiyas.com/company/signature-research
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]