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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#15 in Whitby
#9,459 in Canada
1543803 Ontario Ltd.
Forward Citations = 0
2 inventors:
1543803 Ontario Ltd.
EPO Patents = 3
Forward Citations = 0
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2 inventors (with patents filed for the assignee):
Jon J Leininger (1 out of 10 patents)
Richard A Hornung (1 out of 1 patent)
Jon J Leininger (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: 1543803 Ontario Ltd.. Retrieved from https://idiyas.com/company/1543803-ontario
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]
3 patents (EPO):
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]