Fan construction
United States Patent 2381567

Inventors:
Bonham, Walter R.
Publication Date:
08/07/1945
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Assignee:
Bonham, Walter R.
Primary Class:
416/32
Other Classes:
464/40, 192/82R, 123/41.120, 123/41.110, 192/82T, 464/31, 416/169A, 192/81C, 416/169R, 416/39
International Classes:
F01P7/08; F01P7/00