Title:
Joint for casing sections and method for making the joint
United States Patent 1637750
Inventors:
Kilham, Oliver W.
Publication Date:
08/02/1927
Assignee:
American, Steel Pipe And Tank C.
Other Classes:
29/DIG.94, 138/100, 138/140, 228/165, 228/167, 228/178, 228/227, 285/288.2, 285/382.2, 285/382.5, 285/399, 285/424, 296/29, 405/126
International Classes:
F16L13/02; F16L13/00