Title:
Liner hanger
United States Patent 2589337


Inventors:
Erwin, Burns
Application Number:
US6036548A
Publication Date:
03/18/1952
Filing Date:
11/16/1948
Assignee:
Erwin, Burns
Primary Class:
Other Classes:
166/215, 166/216
International Classes:
E21B43/10
View Patent Images:
US Patent References:
2337733Liner hanger1943-12-28
2228503Liner hanger1941-01-14