18 Utility and 3 Design Patents
#391 in Ann Arbor, MI
#3,834 in Michigan
#98,585 in US
#195,101 in the World
rank by utility patentsForward Citations = 380
Company Filing History:

Other

4. 1 out of 38

5. 1 out of 51,840

where one patent can have more than one assignee
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