Title:
AUDIO VISUAL PROGRAMMER
United States Patent 3478345


Inventors:
Greenwald, William
Application Number:
US3478345DA
Publication Date:
11/11/1969
Filing Date:
06/20/1967
Assignee:
William, Greenwald
Primary Class:
Other Classes:
200/38D
International Classes:
G05B19/06; (IPC1-7): G09B13/00
View Patent Images:
US Patent References:
3330917Rotary drum programming apparatus1967-07-11
2907995Display signs1959-10-06