Portable multimeter


FIG. 1 is a front elevational view of a portable multimeter showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D258727 March 31, 1981 Swinstead
D261488 October 27, 1981 Lindsay
D280299 August 27, 1985 Nelson
D282246 January 21, 1986 Thomas
D282532 February 11, 1986 Brown
D289504 April 28, 1987 McCain
Other references
  • Keithley Cat. 77-.COPYRGT.1976-p. 24-Dig. Electrometer at top. Tektronix Cat. 9/77-p. 8-#851, Dig. Tester. Weston Cat.-4/77-front cover-AC/DC Dig. Multimeter.
Patent History
Patent number: D299014
Type: Grant
Filed: Apr 7, 1986
Date of Patent: Dec 20, 1988
Inventors: Michael D. Nelson (Seattle, WA), Allan H. Stephan (Seattle, WA)
Primary Examiner: Nelson C. Holtje
Application Number: 6/850,388