Rodrick A Herdman (3 out of 14 patents)
Company Badge
USPTO Data Jan 1 1976 - Nov 3 2026
3 Patents
#24 in West Chester, OH
#2,863 in Ohio
#73,976 in US
Ez Change Lock Company
Forward Citations = 64
1 inventor:
West Chester, OH, United States of America
Ez Change Lock Company
Calculating rank
% Expired Patents = 100.0
Forward Citations = 64
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1 inventor (with patents filed for the assignee):
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ez Change Lock Company. Retrieved from https://idiyas.com/company/ez-change-lock-company
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]