Automatic refractometer

Details Automatic refractometer Automatic refractometer

2001-11-08

2002-05-28

Reid, Stella (Department: 2914)

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Ophthalmic

Design Patent

active

D0457962

CLAIM:
The ornamental design for an automatic refractometer, as shown.

REFERENCES:
patent: D285485 (1986-09-01), Kahute
patent: 4640616 (1987-02-01), Michalik
patent: 4692024 (1987-09-01), Bloss
patent: D296004 (1988-05-01), Kahute
patent: D316144 (1991-04-01), Nishimura
patent: D327024 (1992-06-01), Elie
patent: D341541 (1993-11-01), Ichiyoshi
patent: 6172746 (2001-01-01), Byrne et al.

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