Title:
Portable recording device
United States Patent 2523340


Inventors:
Stewart, Bonsall Robert
Application Number:
US62894745A
Publication Date:
09/26/1950
Filing Date:
11/15/1945
Assignee:
Stewart, Bonsall Robert
Primary Class:
Other Classes:
369/75.11, G9B/3.001, G9B/33.004
International Classes:
G11B3/00; G11B33/02
View Patent Images:
US Patent References:
2053108Talking machine for recording and reproduction1936-09-01
1766992Phonograph construction1930-06-24
1734172Phonograph1929-11-05
1653410Tone arm1927-12-20
1171082N/A1916-02-08
1146418N/A1915-07-13
1069784N/A1913-08-12