Printed matter – Having revealable concealed information – fraud preventer or... – By removeable material
Patent
1985-12-03
1987-01-20
Bell, Paul A.
Printed matter
Having revealable concealed information, fraud preventer or...
By removeable material
283 81, 283105, 434349, B42D 1500, G09F 300
Patent
active
046376356
ABSTRACT:
A carrier sheet has affixed thereto a multiplicity of separable, double-blind, multisection labels comprising a blind section, an open section and a record keeping section, the carrier sheet may be adapted for use in a computer printer to print information on the labels. The sections are designed to be used in double-blind drug tests.
REFERENCES:
patent: 3512269 (1970-05-01), Kunert
patent: 3993814 (1976-11-01), Cavender
patent: 4033611 (1977-07-01), Johnsen
patent: 4110502 (1978-08-01), Baer
patent: 4551373 (1985-11-01), Conlon
Bell Paul A.
Heyrana Sr. Paul M.
Spivak Joel F.
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