Audio-visual presentation device

Details Audio-visual presentation device Audio-visual presentation device

2001-06-12

2003-12-09

Aronovich, Adir (Department: 2912)

Photography and optical equipment

Projector or viewer

Element or attachment

Design Patent

active

D0483390

CLAIM:
The ornamental design for an audio-visual presentation device, as shown and described.

REFERENCES:
patent: 3187626 (1965-06-01), Mindell et al.
patent: 3318187 (1967-05-01), Prohaska
patent: D307030 (1990-04-01), Kyhl
patent: D344533 (1994-02-01), Hasegawa
patent: D359030 (1995-06-01), Gildea et al.
patent: D453158 (2002-01-01), Chen

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