Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1978-02-15
1980-06-10
Ansher, Bernard
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1606
Patent
active
D02553643
REFERENCES:
patent: D229444 (1973-11-01), Windisch
patent: D242243 (1976-11-01), Takahashi et al.
patent: D246653 (1977-12-01), Tomatsuri
patent: 3572887 (1971-03-01), Leitzsch
patent: 3817594 (1974-06-01), Fischer
Bushnell Sports Optics, .COPYRGT.1976, p. 15, 8 Power "Mini" Compact Binoar Item No. 10-8200, center focus.
Ansher Bernard
Balda-Werke Photographische Gerate und Kunststoff GmbH & Co. KG
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