Wall structure
United States Patent 1970414

Inventors:
Brown, Charles S.
Publication Date:
08/14/1934
View Patent Images:
Download PDF 1970414 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Brown, Charles S.
Primary Class:
52/281
Other Classes:
52/505, 52/477, 52/779
International Classes:
E04B2/46; E04B2/02; E04B2/42