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APPARATUS FOR UNDERWATER MINING
US 3,522,670 A
Filed
: 07/11/1967
Issued
: 08/04/1970
Est. Priority Date
: 07/11/1967
Status: Expired due to Term
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Current Assignee
Alfred E. Graham
,
Archer L. Jones
,
Frederick S. Todd
,
Ira L. Hirshman
,
John E. Flipse
,
John L. Mero
,
John L. Stevens Jr
,
Joseph D. Deal Jr
,
Luther E. Spencer
,
Nicholas E. Oresko
,
Norman D. Birrell
,
Robert M. Donaldson
,
William A. Himes
Original Assignee
Alfred E. Graham
,
Archer L. Jones
,
Frederick S. Todd
,
Ira L. Hirshman
,
John E. Flipse
,
John L. Mero
,
John L. Stevens Jr
,
Joseph D. Deal Jr
,
Luther E. Spencer
,
Nicholas E. Oresko
,
Norman D. Birrell
,
Robert M. Donaldson
,
William A. Himes
Inventors
Flipse, John E.
,
Donaldson, Robert M.
,
Stevens, John L. Jr.
,
Mero, John L.
,
Deal, Joseph D. Jr.
,
Birrell, Norman D.
,
Oresko, Nicholas E.
,
Spencer, Luther E.
,
Graham, Alfred E.
,
Jones, Archer L.
,
Hirshman, Ira L.
,
Todd, Frederick S.
,
Himes, William A.
Application Number
US04/652,622
Time in Patent Office
1,120 Days
Field of Search
US Class Current
37/314
CPC Class Codes
E02F 3/8858
Submerged units self propel...
E02F 3/907
Measuring or control device...
E21C 50/00
Obtaining minerals from und...
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