Eric B Rapp (1 out of 11 patents)
Paul Trpkovski (1 out of 70 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#3 in Spring Green, WI
#2,650 in Wisconsin
#136,971 in US
Cardinal Ig
Forward Citations = 11
2 inventors:
Spring Green, WI, United States of America
Cardinal Ig
Calculating rank
% Expired Patents = 100.0
Forward Citations = 11
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cardinal Ig. Retrieved from https://idiyas.com/company/cardinal-ig
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]