Scarifier tooth
United States Patent 1960879

Inventors:
Russell, Charles A.
Walker, Carroll M.
Publication Date:
05/29/1934
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Assignee:
MILLS ALLOYS INC
Primary Class:
172/713
Other Classes:
76/DIG.011, 76/115, 428/564, 407/118, 172/745, 37/460, 30/355, 428/560, 428/932, 299/105, 172/747
International Classes:
A01B15/04; A01B35/26; A01B15/00; A01B35/00