Title:
Rotary blade assembly
United States Patent 2976666
Inventors:
Machovec, Fred J.
Publication Date:
03/28/1961
Export Citation:
Assignee:
Machovec, Fred J.
Primary Class:
Other Classes:
56/16.7, 56/256
International Classes:
A01G3/06; A01G3/00
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US Patent References:
Foreign References:
AU152399B