Dental control unit

- A-Dec, Inc.
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Description

FIG. 1 is a top perspective view of a dental control unit showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof;

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

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D197406 January 1964 Haas
D243188 January 25, 1977 Meyer
D288122 February 3, 1987 McGaha et al.
4226590 October 7, 1980 Hofmann
4770632 September 13, 1988 Ryder et al.
Patent History
Patent number: D328791
Type: Grant
Filed: Nov 27, 1990
Date of Patent: Aug 18, 1992
Assignee: A-Dec, Inc. (Newberg, OR)
Inventors: Carl Nordstrom (Lake Oswego, OR), Larry D. Lietz (Dundee, OR), George K. Austin, Jr. (Newberg, OR), Raymond G. Reed (Milwaukie, OR)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Law Firm: Klarquist, Sparkman, Campbell, Leigh & Whinston
Application Number: 7/595,375
Classifications
Current U.S. Class: Patient Service Unit Or Console (D24/177)