Photography and optical equipment – Ophthalmic article – Eyeglasses – eyewear – or frame therefor
Patent
1996-06-07
1997-12-09
Barkai, Raphael
Photography and optical equipment
Ophthalmic article
Eyeglasses, eyewear, or frame therefor
1606
Patent
active
D03873706
REFERENCES:
patent: 266436 (1882-10-01), Crawford
patent: 416528 (1889-12-01), Wells
patent: 1104034 (1914-07-01), Chapel
patent: 1257667 (1918-02-01), Barr
patent: 1636338 (1927-07-01), Stevens et al.
patent: 1823228 (1931-09-01), Appel
patent: 2132346 (1938-10-01), Richards
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