Building construction
United States Patent 1707858

Inventors:
Hurlbert, Edward C.
Publication Date:
04/02/1929
View Patent Images:
Download PDF 1707858 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Hurlbert, Edward C.
Primary Class:
52/293.200
Other Classes:
52/286, 52/274, 52/566, 52/275
International Classes:
E04B2/56