Charles A Trowbridge (1 out of 5 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#458 in Philadelphia, PA
#4,967 in Pennsylvania
#136,919 in US
Sim Kar Lighting Fixture Co., Inc.
Forward Citations = 13
1 inventor:
Philadelphia, PA, United States of America
Sim Kar Lighting Fixture Co., Inc.
Forward Citations = 13
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1 inventor (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sim Kar Lighting Fixture Co., Inc.. Retrieved from https://idiyas.com/company/sim-kar-lighting-fixture-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]