Retinoscope

- Welch Allyn, Inc.
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Description

FIG. 1 is a front elevation of a retinoscope embodying our new design;

FIG. 2 is a right side elevation of the retinoscope of FIG. 1, the left side elevation being a mirror image thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a front elevation of a modified form illustrated in the retinoscope of FIG. 1 wherein the instrument is modified as to the neck portion only, the neck portion being cylindrical and unbroken and therefore all elevational views thereof are identical.

Referenced Cited
U.S. Patent Documents
3035483 May 1962 Andreas et al.
3439978 April 1969 Moore et al.
3776619 December 1973 Heine
D175322 August 1955 Stegeman
D202659 October 1965 Herold
Patent History
Patent number: D243973
Type: Grant
Filed: Mar 1, 1976
Date of Patent: Apr 5, 1977
Assignee: Welch Allyn, Inc. (Skaneateles Falls, NY)
Inventors: Arthur J. Pulos (Fayetteville, NY), Paul B. Sweeney (Syracuse, NY)
Primary Examiner: Bernard Ansher
Attorney: Richard Von K. Bruns
Application Number: 5/662,602
Classifications
Current U.S. Class: D24/17
International Classification: D2402;