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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Hartmann; Fred O.
Address:
Thief River Falls, MN
No. of patents:
4
Patents:




Patent Number Title Of Patent Date Issued
7475887 Pallet jack January 13, 2009
A pallet jack having first and second turn radii includes a support frame having a first end and a second end. The support frame is positionable between a raised position and a lowered position. A main wheel connects to the support frame proximate the first end while a first extensible
7462009 Hand-truck apparatus having locking handle December 9, 2008
A hand-truck for supporting and transporting the load placed thereon includes a stowable handle. The stowable handle is positionable between a stowed position, a locked position and an infinite number of positions therebetween. The handle is accessible by a user at each position. The
7427075 Steering device for pallet truck September 23, 2008
A steering device for decreasing a turning radius of a pallet jack includes a ground engaging member connected to a support member of the pallet jack between a main wheel and an extensible wheel. The load supporting member of the pallet jack is positionable between a raised position
7226060 Steering device for pallet truck June 5, 2007
A steering device for decreasing a turning radius of a pallet jack includes a ground engaging member connected to a support member of the pallet jack between a main wheel and an extensible wheel. The load supporting member of the pallet jack is positionable between a raised position


 
 
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