Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1978-04-26
1981-01-20
Kemper, Catherine E.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1603
Patent
active
D02579847
REFERENCES:
patent: D222298 (1971-10-01), Ishii
patent: D231129 (1974-04-01), Case et al.
patent: D247296 (1978-02-01), Nakade
patent: D248957 (1978-08-01), Kitai et al.
patent: D251912 (1979-05-01), Nakade
Office Products-Jul. 1977-pp. 21-24-Sharp Copier SF-730.
Kitai Isao
Kurozumi Shigeru
Flehr Paul D.
Kemper Catherine E.
Sharp Kabushiki Kaisha (Sharp Corporation)
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