Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1979-06-20
1982-03-09
Caun, Peter M.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1603
Patent
active
D02633132
REFERENCES:
patent: 2684020 (1954-07-01), Kellner
patent: 4030114 (1977-06-01), Telfer
patent: 4095246 (1978-06-01), Kellner
The British Journal of Photography, p. XIV, Feb. 17, 1978, (lower right corner), (Also in Dec. 16, 1977).
Voigt Reinhard
Zeibig Siegfried
Caun Peter M.
Veb Pentacon Dresden Kamera-und Kinowerke
Wray James C.
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