Title:
Self returning drive piston and valve therefor
United States Patent 3094043


Inventors:
Powers, Richard E.
Weis, Charles W.
Application Number:
US84290659A
Publication Date:
06/18/1963
Filing Date:
09/28/1959
Assignee:
POWERS WIRE PRODUCTS COMPANY I
Primary Class:
Other Classes:
91/422, 92/30, 92/85R, 92/181R, 137/516.15, 173/169, 227/130
International Classes:
B25C1/04
View Patent Images:
US Patent References:
2757685Pressure cookers and the like1956-08-07
1366151Check-valve1921-01-18