Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1976-11-02
1980-01-01
Lucas, Susan J.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1601
Patent
active
D02538296
REFERENCES:
patent: D233561 (1974-11-01), Yoshino
patent: D236753 (1975-09-01), Prochnow et al.
patent: D240766 (1976-07-01), Franzmann
Mankau Dieter
Mielke Bodo
Papke Friedrich
Kemper Catherine
Lucas Susan J.
Rollei-Werke Franke & Heidecke
Shepard Charles
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