Title:
Structural element for buildings
United States Patent 1778337

Inventors:
Pratt, Harold G.
Publication Date:
10/14/1930
View Patent Images:
Download PDF 1778337 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
DETROIT STEEL PRODUCTS COMPANY
Primary Class:
52/506.060
Other Classes:
52/679, 52/843
International Classes:
E04B5/10; E04C3/07; E04C3/04