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Bottom-hole turbogenerator drilling unit
US 3,036,645 A
Filed
: 12/15/1958
Issued
: 05/29/1962
Est. Priority Date
: 12/15/1958
Status: Expired due to Term
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Current Assignee
Scott Rowley David
Original Assignee
Scott Rowley David
Inventors
SCOTT ROWLEY DAVID
Application Number
US03/780,412
Time in Patent Office
1,261 Days
Field of Search
US Class Current
175/93
CPC Class Codes
E21B 4/04
Electric drives E21B4/12 ta...
E21B 7/24
Drilling using vibrating or...
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