Diving mask with four windows

Photography and optical equipment – Ophthalmic article – Eyeglasses – eyewear – or frame therefor

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D03678750

REFERENCES:
patent: D290710 (1987-07-01), Aliberti
patent: D290763 (1987-07-01), Walsh
patent: D302747 (1989-08-01), Hattori
patent: D334999 (1993-04-01), Faulconer et al.
patent: D343029 (1994-01-01), Berenson
patent: 3908196 (1975-09-01), Ferraro
patent: 4607398 (1986-08-01), Faulconer
patent: 4856120 (1989-08-01), Hart
patent: 5277179 (1994-01-01), Stone et al.
patent: 5329643 (1994-07-01), Sato
Skin Diver Mar. 1986 p. 1, Mask on left side of page.
Hong Kong Toys, '88, p. 208 Mask #1, center of page.

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