Lee R Zehner (1 out of 10 patents)
Warren L Zehner (1 out of 2 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#2 in Brookeville, MD
#2,064 in Maryland
#136,971 in US
Vivalac, Inc.
Forward Citations = 20
2 inventors:
Brookeville, MD, United States of America
Vivalac, Inc.
Calculating rank
Trademarks = 3
Forward Citations = 20
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Vivalac, Inc.. Retrieved from https://idiyas.com/company/vivalac
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]