Photography and optical equipment – Ophthalmic article
Patent
1990-12-19
1992-09-08
Ansher, Bernard
Photography and optical equipment
Ophthalmic article
Patent
active
D03292452
REFERENCES:
patent: D135192 (1943-03-01), Severy
patent: D161718 (1951-01-01), Stenzel
patent: D175135 (1955-07-01), Stegeman
patent: D231857 (1974-06-01), Bloch
patent: D311195 (1990-10-01), Berthet-Bondet
patent: D315356 (1991-03-01), Hirschman
Accessories Dec.'84, pp. 26-27.
Optician Insert Feb. 5, 1982.
Optometric Monthly, Apr. 1984, p. 161 "Decathlon".
Ansher Bernard
Barkai R.
Sofraf
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