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William W. Cory Patents
Inventor:
Cory; William W.
Address:
Clear Lake, IA
No. of patents:
1
Patents:




Patent Number Title Of Patent Date Issued
4449734 Mechanical locking outrigger hydraulic jack for an outrigger assembly May 22, 1984
A mechanical locking outrigger hydraulic jack for an outrigger assembly for use with cranes and the like includes vertically disposed cylindrical fixed and movable members, the fixed member being secured to a vertically disposed external sleeve. A variable extension chamber is defined by


 
 
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