Title:
Window frame with removable windows
Document Type and Number:
United States Patent 3122797
Inventors:
Valfredo, Segre
Publication Date:
03/03/1964
Assignee:
Valfredo, Segre
Other Classes:
160/90, 292/DIG.020, 292/175, 160/369, 49/63, 49/453
International Classes:
E06B3/44; E06B3/32