Title:
MANUAL ELECTRONIC KEYBOARD
United States Patent 3464531


Inventors:
Herr, Edward R.
Sumrall, George E.
Application Number:
US3464531DA
Publication Date:
09/02/1969
Filing Date:
05/16/1967
Assignee:
Army US.
Primary Class:
Other Classes:
200/181, 310/330, 310/339, 341/34, 400/481, 400/491.2
International Classes:
H03K17/96; H03K17/967; H04L13/16; (IPC1-7): B41J5/08; B41J5/16; H01V7/00
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