Photography and optical equipment – Ophthalmic article
Patent
1988-10-18
1992-07-21
Walsh, Donald P.
Photography and optical equipment
Ophthalmic article
D16107, D16112, D29 7, D29 8, D29 9, D29 17
Patent
active
D03280845
REFERENCES:
patent: D166231 (1952-03-01), Stegeman et al.
patent: D224483 (1972-08-01), Crestin-Billet
patent: D292329 (1987-10-01), Vitaloni
patent: D293504 (1988-01-01), Specht et al.
patent: D309804 (1990-08-01), Chang
patent: D310277 (1990-08-01), Sugita
Metcalfe Richard T.
Salce Arthur J.
Seager Richard
Hannon Monica A.
Walsh Donald P.
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