Building construction
United States Patent 2721630

Inventors:
Owen, Williams Evan
Publication Date:
10/25/1955
View Patent Images:
Download PDF 2721630 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Owen, Williams Evan
Primary Class:
52/81.200
Other Classes:
52/86, 52/236.100, D25/18, 52/263, 52/82
International Classes:
E04B1/342
US Patent References:
2231396Building construction
2420186Airplane hangar, administrative, and shop unit
Foreign References:
FR724901A