Photography and optical equipment – Ophthalmic article
Patent
1989-04-20
1991-09-03
Ansher, Bernard
Photography and optical equipment
Ophthalmic article
Patent
active
D03196470
REFERENCES:
patent: D141198 (1945-05-01), Baratelli
patent: D293450 (1987-12-01), Jannard
patent: D307152 (1990-04-01), Shin
patent: D311197 (1990-10-01), Jannard
patent: 4730915 (1988-03-01), Jannard
Skiing, Sep. 1987, p. 90.
Optician, Mar. 10, 1972, p. 19, bottom.
Ansher Bernard
Barkai R.
Logan II Charles C.
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