Medical training aid for discriminating auscultory sounds

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Description

FIG. 1 is a front elevational view of the medical training aid for discriminating auscultory sounds showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D215675 October 1969 Yran
D269789 July 19, 1983 Monson
D325207 April 7, 1992 Dix
D374670 October 15, 1996 Ng
D382307 August 12, 1997 Sharp, III et al.
3383114 May 1968 Ryan
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5256098 October 26, 1993 Smith et al.
5368308 November 29, 1994 Darnell
5595489 January 21, 1997 Kwon
Patent History
Patent number: D417465
Type: Grant
Filed: Nov 6, 1997
Date of Patent: Dec 7, 1999
Inventors: Keith Kreitz (Philadelphia, PA), Robert Eric Dinenberg (Philadelphia, PA)
Primary Examiner: Martie K. Holtje
Application Number: 0/79,973