Clip-on glasses

Details Clip-on glasses Clip-on glasses

1996-01-11

1997-01-14

Barkai, Raphael

Photography and optical equipment

Ophthalmic article

Eyeglasses, eyewear, or frame therefor

D16310, D16900, D2866

Patent

active

D03773647

REFERENCES:
patent: D313420 (1991-01-01), Tarr et al.
patent: 1665513 (1928-04-01), Thomas
patent: 1764500 (1930-06-01), Blakesley
patent: 1829538 (1931-10-01), Prichard
patent: 1871461 (1932-08-01), More
patent: 2434076 (1948-01-01), Kilham
patent: 2619641 (1952-12-01), Vaca
patent: 5261124 (1993-11-01), Day
patent: 5412812 (1995-05-01), Gatchalian
patent: 5422686 (1995-06-01), Kelman et al.

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