Dental anesthetic delivery pump

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Description

FIG. 1 is a perspective view thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D394268 May 12, 1998 Evans et al.
D406268 March 2, 1999 Lamond et al.
5383858 January 24, 1995 Reilly et al.
5637095 June 10, 1997 Nason et al.
5873861 February 23, 1999 Hitchins et al.
5947929 September 7, 1999 Trull
Patent History
Patent number: D423665
Type: Grant
Filed: Apr 27, 1998
Date of Patent: Apr 25, 2000
Inventors: Walter Herbst (Lake Forest, IL), Gary Prokop (Wheaton, IL), Josh Goldfarb (Chicago, IL)
Primary Examiner: Stella Reid
Application Number: 0/87,144