Tubing anchor
United States Patent 2435899
US Patent References:
Tubing anchor
2332749

Liner hanger
2328840

Well packer apparatus
2275935

Well-tubing catcher
1367399


Inventors:
Page, John S.
Publication Date:
02/10/1948
Assignee:
Page, John S.
Primary Class:
International Classes:
E21B23/04; E21B23/00
View Patent Images: