Building construction
United States Patent 1954891

Inventors:
Ross, David E.
Wymer, Floyd P.
Publication Date:
04/17/1934
View Patent Images:
Export Citation:
Assignee:
ROSTONE INC
Primary Class:
Other Classes:
52/432, 52/583.100, 52/684, 52/481.100
International Classes:
E04B2/56