CODED INK RECORDING AND READING
United States Patent 3486006
US Patent References:
/0855559.html
- - 0855559

Selecting mechanism
- - 1864088

Information recording apparatus
- - 2788879

High speed telegraph system
- - 2951121

Error correcting typewriter ribbon
- - 3143200


Inventors:
Siegel, Lester Aaron
Publication Date:
12/23/1969
View Patent Images:
Assignee:
AMERICAN CYANAMID CO
Primary Class:
Other Classes:
400/106, 235/462.040, 101/109, 400/466, 400/240.400, 250/363.010, 400/240.300, 250/271
International Classes:
A47C7/18; B41J31/05; C09D5/22; C09D11/00; C09K11/74; C09K11/77; G01N21/64; G06K1/12; G06K7/12; G06K19/00; G06K19/02; G06K19/08; G09C1/08; G11B7/003; G06K19/06; G06K1/00; G09C1/06; G11B7/00; G06K7/12; G06K1/12
US Patent References:
3145291Identification system
3180988Apparatus for distinguishing between fluorescent and phosphorescent markings
3367910Modihed organopolysiloxanes and method of preparation
3377292Synergized lanthanide chelate photoluminescent composition
2784392Data recording system




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