David Griffin (1 out of 36 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#458 in Charlotte, NC
#2,920 in North Carolina
#136,971 in US
Ira L. Griffin Sons, Inc.
Forward Citations = 1
1 inventor:
Charlotte, NC, United States of America
Ira L. Griffin Sons, Inc.
Calculating rank
Forward Citations = 1
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1 inventor (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ira L. Griffin Sons, Inc.. Retrieved from https://idiyas.com/company/ira-l-griffin-sons
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]