Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1981-09-04
1983-11-01
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1601
Patent
active
D02712075
REFERENCES:
patent: D178272 (1956-07-01), Birbaum
patent: D219407 (1970-12-01), Fukuda
patent: D247041 (1978-01-01), Fukuda
Fujica Flash S Flyer #OP-1-137s-3/79-Camera on front cover.
Minolta Contact Sheet #19-Fall/Winter 1979-Minolta AF Camera at upper left of group at bottom-p. 1.
Flash Fujica Flyer #OP1-148e-9/79-camera on cover.
Holtje Nelson C.
Ricoh & Company, Ltd.
Shoup Guy W.
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