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USPTO Data Jan 1 1976 - Oct 6 2026
1 Patents
#3 in Holdingford, MN
#3,564 in Minnesota
#136,739 in US
Polor Tank Trailer, LLC
Forward Citations = 1
7 inventors:
Holdingford, MN, United States of America
Polor Tank Trailer, LLC
% Expired Patents = 100.0
Forward Citations = 1
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7 inventors (with patents filed for the assignee):
Calvin E Yardley (1 out of 1 patent)
Philip J Dybinig (1 out of 1 patent)
Tracy L Timmerman (1 out of 1 patent)
4. Duane G Plumski (1 out of 2 patents)
5. Stephen P Laumer (1 out of 1 patent)
6. Andrew J Long (1 out of 1 patent)
7. Robert P Bergsgaard (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Polor Tank Trailer, LLC. Retrieved from https://idiyas.com/company/polor-tank-trailer
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]