Photography and optical equipment – Projector or viewer – Element or attachment
Patent
1995-10-25
1997-05-20
Wallace, Terry A.
Photography and optical equipment
Projector or viewer
Element or attachment
D16235, 1602
Patent
active
D03793621
REFERENCES:
patent: D273959 (1984-05-01), Vandyken, Jr.
patent: D321361 (1991-11-01), Iino
patent: 3281977 (1966-11-01), Koontz
patent: 3537792 (1970-11-01), Furniss et al.
patent: 4632529 (1986-12-01), Levin
"LCD Panels for Computer/Overhead Display", The Equipment Directory of Video, Computer and Audio-Visual Products, 37th Edition, 1991-92 Catalog page on Transparency, Filmstrip Materials.
Bergeron Greg B.
Marfori Eddie J.
Mehler Brian A.
Saddler Damon R.
Aronovich Adir
Educational Insights, Inc.
Wallace Terry A.
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