Frederick J Holmes (3 out of 12 patents)
Frederick F Holmes, Jr (1 out of 1 patent)
Company Badge
USPTO Data Jan 1 1976 - Oct 6 2026
3 Patents
#4 in Wrentham, MA
#3,963 in Massachusetts
#73,858 in US
Semco Machine Corporation
Forward Citations = 51
2 inventors:
Wrentham, MA, United States of America
Semco Machine Corporation
% Expired Patents = 33.3
Trademarks = 1
Forward Citations = 51
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2 inventors (with patents filed for the assignee):
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Semco Machine Corporation. Retrieved from https://idiyas.com/company/semco-machine
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]