Photography and optical equipment – Optical article not elsewhere specified – Lens or objective
Patent
1989-03-10
1991-11-12
Ansher, Bernard
Photography and optical equipment
Optical article not elsewhere specified
Lens or objective
Patent
active
D03215245
REFERENCES:
patent: D196880 (1963-11-01), Magnus
patent: 1271669 (1918-07-01), Collings
patent: 1284071 (1918-11-01), Dorney
patent: 3394980 (1968-07-01), Dym
patent: 3544204 (1970-12-01), Bienenfeld
patent: 4488792 (1984-12-01), Wagner
patent: 4670915 (1987-06-01), Evans
Ansher Bernard
Barkai R.
Nikon Corporation
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