Photography and optical equipment – Ophthalmic article – Element or attachment
Patent
1997-02-18
1998-01-27
Barkai, Raphael
Photography and optical equipment
Ophthalmic article
Element or attachment
D16337, D16336, 1606
Patent
active
D03898539
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patent: D299356 (1989-01-01), Lyons
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patent: 4375911 (1983-03-01), Bononi
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patent: 4751746 (1988-06-01), Rustin
patent: 4786158 (1988-11-01), Barkus-Shenks et al.
patent: 4818094 (1989-04-01), Lyons
patent: 5440355 (1995-08-01), Ross
PeBel by Protek Glasses.
Barkai Raphael
Volk David L.
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