Building construction
United States Patent 2143420

Inventors:
Livermore, Frank D.
Publication Date:
01/10/1939
View Patent Images:
Download PDF 2143420 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Vernon, Miller J.
Primary Class:
52/375
Other Classes:
52/639, 52/92.100, 52/206, 52/351
International Classes:
E04C1/39; E04B2/02; E04C1/00