Cored channel-brick and wall construction
United States Patent 1377572

Inventors:
Fiske, Jonathan P. B.
Publication Date:
05/10/1921
View Patent Images:
Download PDF 1377572 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
FISKE & COMPANY INC
Primary Class:
52/437
International Classes:
E04B2/42; E04B2/02