METHOD OF PRODUCING A PRINTING FORM AND OF EVALUATING DATA CONTAINED THEREIN
United States Patent 3470357

Inventors:
Ritzerfeld, Wilhelm
Ritzfeld, Gerhard
Ritzerfeld, Elvira-nee-weiss
Publication Date:
09/30/1969
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Assignee:
Wilhelm, Ritzerfeld
Ritzerfeld, Gerhard
Primary Class:
235/435
Other Classes:
382/183, 101/DIG.046, 101/483, 235/494, 101/113
International Classes:
G06K1/12; G06K1/14; G06K1/00; G06K7/10
US Patent References:
3083637Program controlled selective duplicator
3238501Optical scanning pen and codedcharacter reading system




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