Hook latch operating mechanism
United States Patent 2613101
US Patent References:
Grab
- - 1630456
Rotary and casing hook
- - 1825018
Hydraulic artificial hand
- - 2182214
Well fishing tool
- - 2236761
Material handling device
- - 2370528
Grab
- - 1630456
Rotary and casing hook
- - 1825018
Hydraulic artificial hand
- - 2182214
Well fishing tool
- - 2236761
Material handling device
- - 2370528
Inventors:
Mcjunis, Roberson Claude
Publication Date:
10/07/1952
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Assignee:
Mcjunis, Roberson Claude
Primary Class:
International Classes:
B66C1/36; E21B19/04; B66C1/22; E21B19/00