Invention Grant
- Patent Title: Releasable apparatus for retrieving subsurface well devices
- Patent Title (中): 用于回收地下井装置的可释放装置
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Application No.: US38533553Application Date: 1953-10-12
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Publication No.: US2778428APublication Date: 1957-01-22
- Inventor: BAKER REUBEN C , CONRAD MARTIN B
- Applicant: BAKER OIL TOOLS INC
- Assignee: Baker Oil Tools Inc
- Current Assignee: Baker Oil Tools Inc
- Priority: US38533553 1953-10-12
- Main IPC: E21B23/06
- IPC: E21B23/06
Information query
