Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1976-03-29
1978-03-28
Ansher, Bernard
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1608, D2202
Patent
active
D02476258
REFERENCES:
patent: D96664 (1935-08-01), Hageman
patent: D215355 (1969-09-01), Weatherby
patent: D215356 (1969-09-01), Weatherby
patent: D222815 (1972-01-01), Burris
patent: 3028791 (1962-04-01), Clark et al.
patent: 3028792 (1962-04-01), Krajowsky et al.
patent: 3819254 (1974-06-01), Hummel et al.
Redfield Scopes, Mounts and Sights, 1973, p. 21, Catalog Nos. 126000 and 126045.
Swift Optical and Weather Instrument Catalog, vol. 48, .COPYRGT. 1974, p. 14, Cat. 841, Zoom Telescope.
Ansher Bernard
Bausch & Lomb Incorporated
Parker Robert L.
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