Mechanical vendor for articles
United States Patent 3180518
Inventors:
Roser, Robert A.
Publication Date:
04/27/1965
Assignee:
Roser, Robert A.
Other Classes:
221/155, 221/216, 221/232, 221/40, 221/227, 221/41
International Classes:
G07F11/28; G07F11/02