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USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#803 in Chicago, IL
#3,453 in Illinois
#73,904 in US
American Envelope Company
Forward Citations = 28
3 inventors:
Chicago, IL, United States of America
American Envelope Company
Forward Citations = 28
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3 inventors (with patents filed for the assignee):
Harold R Lillibridge (1 out of 17 patents)
David M Meeker (1 out of 6 patents)
Lewis E Jacob (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: American Envelope Company. Retrieved from https://idiyas.com/company/american-envelope-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]