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Multi-purpose derrick barge and method of use in oil well drilling and servicing
US 3,001,595 A
Filed
: 05/26/1954
Issued
: 09/26/1961
Est. Priority Date
: 05/26/1954
Status: Expired due to Term
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Current Assignee
Joseph E. Lucas
Original Assignee
Joseph E. Lucas
Inventors
Lucas, Joseph E.
Application Number
US03/432,543
Time in Patent Office
2,680 Days
Field of Search
US Class Current
175/9
CPC Class Codes
E21B 15/02
specially adapted for under...
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