William B Kerfoot (2 out of 56 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 6 2026
2 Patents
#1 in Mashpee, MA
#4,925 in Massachusetts
#94,782 in US
Kerfoot Technologies, Inc.
Forward Citations = 24
1 inventor:
Mashpee, MA, United States of America
Kerfoot Technologies, Inc.
% Expired Patents = 50.0
EPO Patents = 1
Trademarks = 3
Forward Citations = 24
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1 inventor (with patents filed for the assignee):
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kerfoot Technologies, Inc.. Retrieved from https://idiyas.com/company/kerfoot-technologies
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]
1 patent (EPO):
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]