Title:
Telephone pay station equipment
Document Type and Number:
United States Patent 2025390

Inventors:
Hoyt, Frederick A.
Publication Date:
12/24/1935
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
49/465
Other Classes:
70/451, 70/81
International Classes:
H04M17/02; H04M17/00




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