Ophthalmic refractor

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Description

FIG. 1 is a front perspective view of an ophthalmic refractor, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D344587 February 22, 1994 Burton et al.
D365149 December 12, 1995 Burton et al.
4606624 August 19, 1986 Wood
4820040 April 11, 1989 Sims
5278593 January 11, 1994 Nielson et al.
Patent History
Patent number: D374720
Type: Grant
Filed: Jun 8, 1995
Date of Patent: Oct 15, 1996
Inventor: Ernest J. Lukaszewski (Lancaster, NY)
Primary Examiner: Stella Reid
Application Number: 0/40,020
Classifications
Current U.S. Class: Ophthalmic (44) (D24/172)