Wall transformer unit for hand-held medical instruments

- Welch Allyn, Inc.
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Description

FIG. 1 is a perspective view of a wall transformer unit for hand-held medical instruments, illustrating my new design;

FIG. 2 is a side elevational view of the wall transformer unit for hand-held medical instruments of FIG. 1;

FIGS. 3 and 4 are end elevation views of the wall transformer unit for hand-held medical instruments of FIG. 1,

FIG. 5 is a side elevational view of the wall mounting surface of the wall transformer unit for hand-held medical instruments of FIG. 1;

FIG. 6 is a top plan view of the wall transformer unit for hand-held medical instruments of FIG. 1; and,

FIG. 7 is a bottom view of the wall transformer unit for hand-held medical instruments of FIG. 1.

Referenced Cited
U.S. Patent Documents
4647831 March 3, 1987 O'Malley et al.
4672292 June 9, 1987 Hernandez
4739242 April 19, 1988 McCarty et al.
4985806 January 15, 1991 Mazzullo et al.
Patent History
Patent number: D359721
Type: Grant
Filed: Jul 1, 1994
Date of Patent: Jun 27, 1995
Assignee: Welch Allyn, Inc.
Inventor: Deborah A. Laun (Syracuse, NY)
Primary Examiner: Joel Sincavage
Law Firm: Harris Beach & Wilcox
Application Number: 0/25,428
Classifications
Current U.S. Class: Transformer, Rectifier Or Casing Therefor (3) (D13/110)