9 Utility and 6 Design Patents
#15 in Greenfield, WI
#4,201 in Wisconsin
#224,377 in US
#457,599 in the World
rank by utility patentsForward Citations = 434
Company Filing History:


Allis-chalmers Corporation
4. 1 out of 56

5. 1 out of 157
Snap-on Tools Corporation
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