Spectacle front

Details Spectacle front Spectacle front

1988-09-08

1991-10-29

Dunkins, Bruce W.

Photography and optical equipment

Ophthalmic article

D16103, D16104, D16117

Patent

active

D03211983

REFERENCES:
patent: D114994 (1939-05-01), McGlynn
patent: D145288 (1944-10-01), DiCicco
patent: D156723 (1950-01-01), Gayson
patent: D175469 (1955-08-01), Ives et al.
patent: D204163 (1966-03-01), Mitchell
patent: D204814 (1966-05-01), Glass et al.
patent: D231857 (1974-06-01), Bloch
patent: D292983 (1987-12-01), Kanoui
patent: D292984 (1987-12-01), Sonthonnax
patent: 4104339 (1978-08-01), Fetz et al.

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