Title:
Expandable wall panel and method for making same
United States Patent 3413765


Inventors:
Williams, David H.
Pellaton, Ernest C.
Application Number:
US64605967A
Publication Date:
12/03/1968
Filing Date:
06/14/1967
Assignee:
FIBREBOARD CORP
Primary Class:
Other Classes:
52/127.1, 52/745.19, 52/793.11, 156/197, 156/257
International Classes:
E04C2/40
View Patent Images:
Foreign References:
BE628515A