Optometer

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Description

FIG. 1 is a right side view of the optometer;

FIG. 2 is a front view of the optometer showing my new design;

FIG. 3 is a left side view of the optometer;

FIG. 4 is a top plan view of the optometer; and

FIG. 5 is a rear view of the optometer.

Referenced Cited
U.S. Patent Documents
3382025 May 1968 Knoll
3669529 June 1972 Guyton
3669530 June 1972 Guyton
3982828 September 28, 1976 Woolf
D207675 May 1967 Hermann
D212647 November 1968 Minas
Patent History
Patent number: D245917
Type: Grant
Filed: Sep 17, 1976
Date of Patent: Sep 27, 1977
Assignee: American Optical Corporation (Southbridge, MA)
Inventor: John T. Armbruster (Niagara Falls, NY)
Primary Examiner: Bernard Ansher
Attorney: William C. Nealon
Application Number: 5/723,850
Classifications
Current U.S. Class: D24/17
International Classification: D2401;