Title:
Improved quenching method
United States Patent 2877866
Inventors:
Mathis, Clyde H.
Polk, Walter B.
Publication Date:
03/17/1959
Assignee:
PHILLIPS PETROLEUM CO
Other Classes:
95/155, 95/188, 165/95, 165/134.1, 261/117, 422/207
International Classes:
F28F19/00; F28F19/00