Microtester or the like

- Hach Company
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Description

FIG. 1 is a front perspective view of a microtester or the like, showing my new design;

FIG. 2 is an end elevational view thereof;

FIG. 3 is an end elevational view thereof, opposite that shown in FIG. 2;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof, opposite that shown in FIG. 4;

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

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D271619 November 29, 1983 Herrmann
D285118 August 12, 1986 Huang
D309779 August 7, 1990 D'Aquino et al.
D316449 April 23, 1991 D'Aquino et al.
3382969 May 1968 Cerniak
Patent History
Patent number: D325638
Type: Grant
Filed: Jul 10, 1989
Date of Patent: Apr 21, 1992
Assignee: Hach Company (Loveland, CO)
Inventors: Sharon S. Sloat (Ames, IA), Carol A. Ziel (Ames, IA)
Primary Examiner: Stella Reid
Attorney: Dean P. Edmundson
Application Number: 7/377,197