Title:
Well tool mounting
United States Patent 2877062
Inventors:
Hall, Elmer D.
Hall, John A.
Publication Date:
03/10/1959
Export Citation:
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Assignee:
Hall, Elmer D.
Hall, John A.
Primary Class:
175/325.5
Other Classes:
29/447, 29/463
International Classes:
E21B17/10; E21B17/12; E21B17/00
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US Patent References:
2281632Jacket for drill pipe couplings
2259023Grief collar