Method of protection of confidential documents

Details Method of protection of confidential documents Method of protection of confidential documents

1987-06-12

1988-11-22

Grimley, Arthur T.

Photocopying

Including fiber optics

G03G 1500

Patent

active

047869410

ABSTRACT:
Two or more copies of a document are made with complementary portions missing for separate secure transporting or storing. The copies may be made on an electrostatic copies having an image erase feature or on a printer which can impress an erase signal on the printing signal.

REFERENCES:
patent: 2624958 (1951-09-01), Fine
patent: 4512581 (1985-04-01), Levine
patent: 4582417 (1986-04-01), Yagasaki
patent: 4586711 (1986-05-01), Winters et al.

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