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Mining apparatus and method
US 3,362,752 A
Filed
: 08/17/1965
Issued
: 01/09/1968
Est. Priority Date
: 08/17/1965
Status: Expired due to Term
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Current Assignee
Densmore, Neal W.
Original Assignee
Densmore, Neal W.
Inventors
Densmore, Neal W.
Application Number
US04/480,429
Time in Patent Office
875 Days
Field of Search
US Class Current
299/18
CPC Class Codes
E21C 35/20
General features of equipme...
E21F 13/042
Vertical hydraulic conveyin...
Y10T 137/6855
Vehicle
Y10T 137/86268
With running joint between ...
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