Title:
CODED INK RECORDING AND READING
United States Patent 3486006


Inventors:
Siegel, Lester Aaron
Application Number:
US3486006DA
Publication Date:
12/23/1969
Filing Date:
02/09/1966
Assignee:
AMERICAN CYANAMID CO
Primary Class:
Other Classes:
101/109, 235/462.04, 250/271, 250/363.01, 400/106, 400/240.3, 400/240.4, 400/466, G9B/7.003
International Classes:
A47C7/18; B41J31/05; B44F1/12; 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; (IPC1-7): G06K1/12; G06K7/12
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