Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1979-09-12
1983-01-04
Caun, Peter M.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1602
Patent
active
D02674939
REFERENCES:
patent: D219841 (1971-02-01), Manome
patent: D242170 (1976-11-01), Kato
patent: D248956 (1978-08-01), Kubnick et al.
patent: D255688 (1980-07-01), Schade
Caun Peter M.
Foto-Quelle GmbH
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