Title:
Wall panel
United States Patent 2918993


Inventors:
Coffman, Alden W.
Cullen, Russell B.
Application Number:
US37091653A
Publication Date:
12/29/1959
Filing Date:
07/29/1953
Assignee:
ROBERTSON CO H H
Primary Class:
Other Classes:
52/508
International Classes:
E04C2/292
View Patent Images:
US Patent References: