Photography and optical equipment – Projector or viewer – Element or attachment
Design Patent
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
LaPierre Richard C.
Steinfeld Douglas
Aronovich Adir
Hamilton Brook Smith & Reynolds P.C.
Viewwriter Technologies
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