Title:
Electrographic transmitter
United States Patent 2907824


Inventors:
Peek Jr., Robert Lee
Application Number:
US69186157A
Publication Date:
10/06/1959
Filing Date:
10/23/1957
Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
Other Classes:
338/90, 338/128
International Classes:
G08C21/00
View Patent Images:
Foreign References:
DE326089C1920-09-23
GB588043A1947-05-13