04675669 is referenced by 28 patents and cites 6 patents.

A system of issuing secure docments involving stages that may be substantially distinct both in time and space. A raw document is selected possessing a uniqueness characteristic which is sensed and coded on the document. Subsequently, the document is completed as with an individual designation of value, by providing a bar code in the area of the uniqueness characteristic which is related to an Arabic numeral designation. Apparatus processes such documents for creation and verification based on selective testing of the uniqueness characteristic and the designations.

Title
System of issuing secure documents of various denomination
Application Number
161838
Publication Number
4675669
Application Date
July 11, 1985
Publication Date
June 23, 1987
Inventor
Robert N Goldman
Honolulu
HI, US
Agent
Nilsson Robbins Dalgarn Berliner Carson & Wurst
Assignee
Light Signatures
CA, US
IPC
G06K 5/00
H04Q 9/00
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