Eyeglasses with flip-up lenses

Photography and optical equipment – Ophthalmic article

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D02949504

REFERENCES:
patent: D78310 (1929-04-01), Pappert
patent: D124272 (1940-12-01), Ehrlich
patent: D158994 (1950-06-01), Morroni
patent: D235164 (1975-05-01), Shindler
patent: D268683 (1983-04-01), Tenny
patent: D285310 (1986-08-01), Rocha
patent: 4360252 (1982-11-01), Solomon
Plastics Merchandising, Mar. 1952, p. 40, Eyeglasses in lower right portion of page.
The Optician, Nov. 16, 1984, p. 29, Model E64 from Lessar's Elegance Collection.
1985 Spalding from Renauld catalogue.
1985 Spalding-125 and Spalding-225 catalogue.

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