Curtain wall construction
United States Patent 2885040
Inventors:
Abraham, Grossman
Publication Date:
05/05/1959
Assignee:
Abraham, Grossman
Other Classes:
52/396.050, 52/235, 49/235, 52/656.100, 52/667, 52/456, 52/208
International Classes:
E04B2/96; E04B2/88