Submarine drilling and pumping apparatus
United States Patent 2614803
US Patent References:
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- - 0313521

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- - 0545451


Inventors:
Wiggins Jr., Walter
Publication Date:
10/21/1952
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Assignee:
Wiggins Jr., Walter
Primary Class:
175/6
Other Classes:
175/8, 166/68.500, 173/DIG.001, 173/31, 166/358, 166/368, 175/103, 173/76
International Classes:
E21B7/136; E21B33/037; E21B7/12; E21B33/03