Bernard Fleet (3 out of 6 patents)
Sankar Das Gupta (3 out of 5 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
3 Patents
#426 in Toronto
#4,372 in Canada
308489 Ontario Limited
Forward Citations = 41
2 inventors:
308489 Ontario Limited
Forward Citations = 41
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2 inventors (with patents filed for the assignee):
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: 308489 Ontario Limited. Retrieved from https://idiyas.com/company/308489-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]
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]