20 Utility and 13 Design Patents
#33 in Richland, WA
#3,644 in Washington
#85,616 in US
#168,724 in the World
rank by utility patentsForward Citations = 882
Company Filing History:
Principle Plastics
Other

4. 1 out of 64
Virco Mfg. Corporation
where one patent can have more than one assignee
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