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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Aaland; Hjalmar A.
Address:
Van Nuys, CA
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
5478128 Clamshell action post hole digger December 26, 1995
A clam shell action post hole digger includes a pair of opposed movable shovel blades pivotally attached to a cross brace. A combination stationary shaft and an inner movable rod are secured to the cross brace. The rod and shaft each has a handle attached at the upper end to allow the










 
 
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