Double faced changeable sign

Details Double faced changeable sign Double faced changeable sign

1991-09-13

1993-08-17

Dorner, Kenneth J.

Card, picture, or sign exhibiting

Changing exhibitor

Inscription cover

40597, 40907, G09F 700

Patent

active

052357686

ABSTRACT:
A double faced changeable sign having a sliding panel to conceal or reveal messages, wherein the sign is removably mounted to a transparent window or other clear surface.

REFERENCES:
patent: 2683946 (1954-07-01), Olson
patent: 3769727 (1973-11-01), Kent, Jr.
patent: 4217713 (1980-08-01), Greenberger
patent: 4654990 (1987-04-01), Suters
patent: 4953315 (1990-09-01), Romaine

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