Portable protocol testing computer

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Description

FIG. 1 is a top front and right side perspective view of a portable protocol testing computer showing my new design with the front cover opened;

FIG. 2 is a top rear left side perspective view thereof; and,

FIG. 3 is a top front right side perspective view thereof with the front cover closed.

Referenced Cited
U.S. Patent Documents
D255116 May 27, 1980 MacDonald et al.
D293109 December 8, 1987 George et al.
D293793 January 19, 1988 Watanabe et al.
D310662 September 18, 1990 Fellmann et al.
D316546 April 30, 1991 Pedinielli et al.
4525802 June 25, 1985 Hackamack
Patent History
Patent number: D330196
Type: Grant
Filed: Jan 24, 1990
Date of Patent: Oct 13, 1992
Assignee: Siemens Aktiengesellschaft (Berlin and Munich)
Inventor: Jurgen Hitzler (Nurnberg-Gross Grundlach)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Law Firm: Kenyon & Kenyon
Application Number: 7/469,839
Classifications
Current U.S. Class: D14/106