Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#35 in Addison, TX
#4,794 in Texas
#73,904 in US
Mark Kay Inc.
Forward Citations = 28
3 inventors:
Addison, TX, United States of America
Mark Kay Inc.
% Expired Patents = 66.7
Trademarks = 1
Forward Citations = 28
Loading Chart...
Loading Chart...
3 inventors (with patents filed for the assignee):
Jenny DeMarco (2 out of 43 patents)
Kenneth William Hirst (1 out of 3 patents)
John Lamie (1 out of 4 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mark Kay Inc.. Retrieved from https://idiyas.com/company/mark-kay
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]