Title:
Talking book apparatus
United States Patent 3273894
Inventors:
Clawson, Phillip E.
Publication Date:
09/20/1966
Export Citation:
Assignee:
Nial, Castle K.
Kay, Janet Castle
Primary Class:
Other Classes:
369/75.11, 369/245, 434/317, 446/404, G9B/33.023
International Classes:
G11B33/06; G11B33/06
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US Patent References:
Foreign References:
FR1007839A
GB515852A