Phonograph stylus
United States Patent 2599312
US Patent References:
/0174386.html
- - 0174386

/1235154.html
- - 1235154

Phonograph needle
- - 1671426

Phonograph needle
- - 2452304

Phonograph needle
- - 2473374


Inventors:
Andres, Lloyd J.
Publication Date:
06/03/1952
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Assignee:
PERMO INC
Primary Class:
369/173
Other Classes:
29/525, D14/264, 369/170, 29/896.240
International Classes:
G11B3/46; G11B3/00
US Patent References:
2507188Electrostatic phonograph pickup
2557350Phonograph needle