Calibration calculator

- Spraying Systems Co.
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Description

FIG. 1 is a top plan view of a calibration calculator 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 bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a right, front, and top perspective view thereof.

Referenced Cited
U.S. Patent Documents
D298546 November 15, 1988 Yoshioka et al.
D304175 October 24, 1989 Sakaguchi et al.
Patent History
Patent number: D316267
Type: Grant
Filed: Jun 7, 1988
Date of Patent: Apr 16, 1991
Assignee: Spraying Systems Co. (Wheaton, IL)
Inventors: Frederick A. Miller (Elburn, IL), Richard A. Valiga (Bartlett, IL)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Leydig, Voit & Mayer
Application Number: 7/203,273
Classifications
Current U.S. Class: With Keyboard (D18/7)