James D Heckelman (2 out of 10 patents)
Robert A Ziemke (2 out of 5 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#1 in Huron, OH
#3,641 in Ohio
#94,841 in US
Dan-Mar Co.
Forward Citations = 18
2 inventors:
Huron, OH, United States of America
Dan-Mar Co.
Forward Citations = 18
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2 inventors (with patents filed for the assignee):
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dan-Mar Co.. Retrieved from https://idiyas.com/company/dan-mar-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]