21 Utility Patents
#24 in Clarkston, MI
#3,055 in Michigan
#80,035 in US
#157,258 in the World
Forward Citations = 776
Company Filing History:

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4. 1 out of 13
Progressive Blasting Systems, Inc.
5. 1 out of 3
Progressive Technologies, Inc.
where one patent can have more than one assignee
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