Photography and optical equipment – Ophthalmic article
Patent
1991-11-08
1993-02-23
Ansher, Bernard
Photography and optical equipment
Ophthalmic article
Patent
active
D03334783
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patent: D202130 (1965-08-01), Mitchell
patent: D204566 (1966-04-01), Mitchell
patent: D256693 (1980-09-01), Eaton
patent: D268684 (1983-04-01), Chuboff
patent: D270165 (1983-08-01), Burns
patent: D324058 (1992-02-01), Longsdorf
patent: 3492062 (1970-01-01), Hoover
patent: 4504127 (1985-03-01), Cottet
Metcalfe Richard T.
Seager Richard H.
Ansher Bernard
Barkai R.
Cabot Safety Corporation
Lando Michelle B.
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