Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#61 in Annapolis, MD
#2,064 in Maryland
#136,971 in US
Cardinal Engineering LLC
Forward Citations = 0
3 inventors:
Annapolis, MD, United States of America
Cardinal Engineering LLC
Calculating rank
Forward Citations = 0
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3 inventors (with patents filed for the assignee):
Barry E Mapen (1 out of 16 patents)
Kevin P Richards (1 out of 1 patent)
Christian A Whitney (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cardinal Engineering LLC. Retrieved from https://idiyas.com/company/cardinal-engineering
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]