Title:
Method of making phonograph record blanks from composite material
United States Patent 3072519


Inventors:
Samuel, Salzman
Application Number:
US75800658A
Publication Date:
01/08/1963
Filing Date:
08/29/1958
Assignee:
ALLIED RECORD MFG CO
Primary Class:
Other Classes:
101/32, 156/201, 156/219, 156/250, 156/253, 156/277, 264/107, 264/293, 264/297.6, 369/286, 425/810, 493/334, 493/344, 493/363, 493/946, G9B/3, G9B/3.099, G9B/3.103
International Classes:
B29D17/00; G11B3/00; G11B3/68; G11B3/70
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