10 Utility Patents
#1,906 in Houston, TX
#13,380 in Texas
#200,119 in US
#406,495 in the World
Forward Citations = 89
Company Filing History:
Other


4. 1 out of 2
Calumet Penreco, LLC
5. 1 out of 2
Penreco
where one patent can have more than one assignee
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