Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1982-10-15
1985-03-12
Feifer, Melvin B.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D16 30
Patent
active
D02779668
REFERENCES:
patent: D186832 (1959-12-01), Rutkus
patent: D210630 (1968-03-01), Patla
patent: D210856 (1968-04-01), Balmer, Jr.
patent: D214959 (1969-08-01), Anderson et al.
patent: D227034 (1973-05-01), Derby
patent: D263962 (1982-04-01), Kuroqumi
patent: D272830 (1984-02-01), Hara et al.
Feifer Melvin B.
Pfeffer Terry
Sharp Kabushiki Kaisha (Sharp Corporation)
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