Funnel improvement
United States Patent 3211195
Inventors:
Porter, Robert K.
Publication Date:
10/12/1965
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Export Citation:
Assignee:
Vincent, Tyrrell C.
Primary Class:
Other Classes:
141/367, 220/86.100, 141/331
International Classes:
B67C11/02; B67C11/00
Foreign References:
| FR1086157A | ||||
| GB758015A | ||||
| CH241194A |