38 Utility and 111 Design Patents
#1 in Humboldt, TN
#3 in Tennessee
#274 in US
#404 in the World
rank by design patentsForward Citations = 2,740
Company Filing History:






4. 8 out of 81
Devilbiss Air Power Company
5. 5 out of 22
Porter-cable/delta
where one patent can have more than one assignee
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