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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#590 in Vancouver
#9,464 in Canada
Fortress Optical Features Ltd.
Forward Citations = 23
4 inventors:
Fortress Optical Features Ltd.
Calculating rank
CIPO Patents = 2
EPO Patents = 1
Forward Citations = 23
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4 inventors (with patents filed for the assignee):
Charles Douglas MacPherson (1 out of 33 patents)
Denis Gerard Vendette (1 out of 3 patents)
Gilles Girouard (1 out of 2 patents)
4. A Oliver Stone (1 out of 2 patents)
5. Charles Douglas Macpherson (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fortress Optical Features Ltd.. Retrieved from https://idiyas.com/company/fortress-optical-features
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]
2 patents (CIPO):
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]
1 patent (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]