Title:
Method and apparatus for stressing concrete
United States Patent 2609586


Inventors:
Parry, Richard M.
Application Number:
US13265449A
Publication Date:
09/09/1952
Filing Date:
12/13/1949
Assignee:
RAYMOND CONCRETE PILE CO
Primary Class:
Other Classes:
24/122.6, 24/526, 29/452, 29/514, 52/223.13, 52/DIG.7, 264/228, 264/262
International Classes:
E04C5/12
View Patent Images:
US Patent References:
Foreign References:
GB541160A1941-11-14
GB541437A1941-11-26