25 Utility and 1 Design Patents
#25 in Hoffman Estates, IL
#2,097 in Illinois
#62,319 in US
#121,390 in the World
rank by utility patentsForward Citations = 232
Company Filing History:



4. 2 out of 90
S-b Power Tool Company
5. 1 out of 312

where one patent can have more than one assignee
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