4 Utility Patents
#1,874 in Ann Arbor, MI
#20,421 in Michigan
#481,660 in US
Forward Citations = 14
Company Filing History:
Ann Arbor Technical Services
Earth-tech
where one patent can have more than one assignee
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#1,874 in Ann Arbor, MI
#20,421 in Michigan
#481,660 in US
Company Filing History:
Get your Inventor Badge Today