Collapsible overhead projector

Details Collapsible overhead projector Collapsible overhead projector

1998-02-04

2000-01-25

Vales-Lado, Carmen H.

Photography and optical equipment

Projector or viewer

Overhead or opaque type

D16229, 1602

Patent

active

D04195825

REFERENCES:
patent: D322264 (1991-12-01), Jewison
patent: D330040 (1992-10-01), Watanabe et al.
patent: D332110 (1992-12-01), Held
patent: D365836 (1996-01-01), Hasegawa
patent: D367073 (1996-02-01), Kuo et al.
patent: D397709 (1998-09-01), Park et al.
patent: 4696557 (1987-09-01), Tomizuka
patent: 4921343 (1990-05-01), Ushiro et al.
patent: 4978218 (1990-12-01), Carpenter et al.
patent: 5382991 (1995-01-01), Rodriguez, Jr. et al.
patent: 5722769 (1998-03-01), Fan
Miller's Office Product; p. 166; item C Cobra portable projector with case bottom center of page, 1996.
Catalog "87", pp. 370, Sony (Nov. 1997).

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