Ophthalmic refractor

Details Ophthalmic refractor Ophthalmic refractor

1991-03-06

1994-02-22

Word, A. Hugo

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Ophthalmic

Patent

active

D03445879

REFERENCES:
patent: D114487 (1939-04-01), Peck
patent: 2266797 (1941-12-01), Peck et al.
patent: 2938426 (1960-05-01), Armbruster et al.
patent: 2968213 (1961-01-01), Wright et al.
patent: 2995065 (1961-08-01), Wright et al.
patent: 3498699 (1970-03-01), Wilkinson
patent: 4606624 (1986-08-01), Wood
patent: 4943162 (1990-07-01), Sims
Bausch and Lomb Optical Company "Greens' Refractor" Aug. 19, 1955 Cover Page.
American Optical Ophthalmic Instruments "Refractor" @ 1979 p. 4.

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