Secure financial document

Details Secure financial document Secure financial document

1986-12-15

1988-03-29

Kazenske, E. R.

Printed matter

Banking

Checks

283 57, 283 59, 434194, B42D 1500, G09F 700

Patent

active

047338873

ABSTRACT:
A financial instrument has an amount printed on its face in which the digits making up the amount are printed in a negative pattern. The digits are formed by a series of rows of printed dots which define the outlines of the digits. To make alteration of the amount more difficult, each of the digits includes a boundary portion formed by a single row of dots which makes up a portion of the outline of each of the adjoining digits.

REFERENCES:
patent: 477038 (1892-06-01), Wood
patent: 936399 (1909-10-01), Angell
patent: 3590015 (1976-04-01), Shrock
patent: 4264210 (1981-04-01), Mitsuhashi
patent: 4614365 (1986-09-01), Tresser

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