Ronald L Hehn (2 out of 5 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#2 in Hawley, MN
#2,528 in Minnesota
#94,905 in US
Black Swamp Industries, Inc.
Forward Citations = 4
1 inventor:
Hawley, MN, United States of America
Black Swamp Industries, Inc.
% Expired Patents = 100.0
Forward Citations = 4
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1 inventor (with patents filed for the assignee):
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Black Swamp Industries, Inc.. Retrieved from https://idiyas.com/company/black-swamp-industries
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]