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USPTO Data Jan 1 1976 - Oct 6 2026
1 Patents
#90 in Long Island City, NY
#8,648 in New York
#136,838 in US
Propper Mfg. Co., Inc.
Forward Citations = 33
3 inventors:
Long Island City, NY, United States of America
Propper Mfg. Co., Inc.
Forward Citations = 33
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3 inventors (with patents filed for the assignee):
Otto H Schmidt (1 out of 20 patents)
Helmut A Heine (1 out of 30 patents)
Helmut W Rosenbusch (1 out of 12 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Propper Mfg. Co., Inc.. Retrieved from https://idiyas.com/company/propper-mfg-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]