Wall construction
United States Patent 1798280

Inventors:
Chester, Sorensen Niels
Publication Date:
03/31/1931
View Patent Images:
Download PDF 1798280 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Chester, Sorensen Niels
Primary Class:
52/242
Other Classes:
52/220.700, 52/206, 52/371, 52/367
International Classes:
E04B2/72; E04F19/04