Card – picture – or sign exhibiting – Display device with gas or liquid movement
Patent
1990-08-15
1992-03-03
Dorner, Kenneth J.
Card, picture, or sign exhibiting
Display device with gas or liquid movement
273 1L, G09F 1900
Patent
active
050920642
ABSTRACT:
A kind of latest liquid-drop model diagramatic drawings indicator plate structure refers to a kind of decoration which may present the pre-set excellent and colorful diagramatic drawings of structures designed in the assembled liquid-drops instruments.
REFERENCES:
patent: 690852 (1902-01-01), Gordon
patent: 3101564 (1963-08-01), Stoessel
patent: 4489939 (1984-12-01), Spector
patent: 4756692 (1988-07-01), Pronger
Dorner Kenneth J.
Hope Cassandra
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