Vehicle mounted hole driller
United States Patent 3327789
US Patent References:
Post hole digger
- - 2321680
Posthole digger attachment for tractors
- - 2384557
/2734722.html
- - 2734722
Portable derrick with telescoping fluid transmission lines
- - 3073396
Hydraulically operable horizontal drilling apparatus
- - 3107738
Post hole digger
- - 2321680
Posthole digger attachment for tractors
- - 2384557
/2734722.html
- - 2734722
Portable derrick with telescoping fluid transmission lines
- - 3073396
Hydraulically operable horizontal drilling apparatus
- - 3107738
Inventors:
Furuseth, Dean H.
Publication Date:
06/27/1967
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Export Citation:
Assignee:
Furuseth, Dean H.
Primary Class:
Other Classes:
173/42, 173/159
International Classes:
E21B3/02; E21B19/087; E21B3/00; E21B19/00