Darrell W Kelsoe (1 out of 2 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#18 in Kingwood, TX
#9,255 in Texas
#136,919 in US
Permawood Treating Co.
Forward Citations = 2
1 inventor:
Kingwood, TX, United States of America
Permawood Treating Co.
Calculating rank
Forward Citations = 2
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1 inventor (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Permawood Treating Co.. Retrieved from https://idiyas.com/company/permawood-treating-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]