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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#302 in Philadelphia, PA
#3,428 in Pennsylvania
#94,905 in US
Esb Ray-O-Vac Management Corporation
Forward Citations = 42
3 inventors:
Philadelphia, PA, United States of America
Esb Ray-O-Vac Management Corporation
Forward Citations = 42
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3 inventors (with patents filed for the assignee):
Joseph C Duddy (1 out of 3 patents)
Edward R Hein (1 out of 2 patents)
Whitley Pemberton (1 out of 2 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Esb Ray-O-Vac Management Corporation. Retrieved from https://idiyas.com/company/esb-ray-o-vac-management
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]