Photography and optical equipment – Ophthalmic article
Patent
1992-08-21
1993-10-26
Ansher, Bernard
Photography and optical equipment
Ophthalmic article
Patent
active
D03407330
REFERENCES:
patent: D1212 (1839-06-01), Smith
patent: D191887 (1961-12-01), Braunhut
patent: D204695 (1966-05-01), Glass
patent: 320558 (1885-06-01), Hull
patent: 2300364 (1942-10-01), Wagner
patent: 3752567 (1973-08-01), Broadhurst
patent: 4045131 (1977-08-01), Sherman
Ansher Bernard
Barkai R.
Mann Michael A.
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