11 Utility and 2 Design Patents
#12 in Puchheim
#20,619 in Germany
#362,319 in the World
rank by utility patentsForward Citations = 160
Company Filing History:
Irwin-industrial Tool Company
Irwin Industrial Tools Gmbh
Shu Schuermann Hilleke Umformtechnik Gmbh & Co. Kg
4. 2 out of 44

where one patent can have more than one assignee
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