Title:
Pressure applying and relieving device
United States Patent 2564922


Inventors:
Patten, Francis T. N.
Application Number:
US14482650A
Publication Date:
08/21/1951
Filing Date:
02/17/1950
Assignee:
Patten, Francis T. N.
Primary Class:
Other Classes:
137/583, 251/117
International Classes:
F16K31/385
View Patent Images:
US Patent References:
0706332N/A1902-08-05