Adjustment for proportioning machines
United States Patent 1834670
Inventors:
Yett, Porter W.
Publication Date:
12/01/1931
View Patent Images:
Export Citation:
Assignee:
Yett, Porter W.
Primary Class:
Other Classes:
222/144.500, 222/132, 366/21
International Classes:
B28C7/00; B28C7/06