4 Utility Patents
#20 in Houghton, MI
#20,421 in Michigan
#481,669 in US
Forward Citations = 10
Company Filing History:


South Dakota Board of Regents
where one patent can have more than one assignee
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#20 in Houghton, MI
#20,421 in Michigan
#481,669 in US
Company Filing History:


Get your Inventor Badge Today