Graphic plotter

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Description

FIG. 1 is a front elevational view of a graphic plotter showing my new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D177747 May 1956 Moseley
D184297 January 1959 Austin et al.
D184479 February 1959 Hall et al.
D208980 October 1967 Dykmans
D243021 January 11, 1977 Walker et al.
D295613 May 10, 1988 Tanner
3305873 February 1967 Mourier
4364056 December 14, 1982 Suzuki et al.
4419672 December 6, 1983 Hird
4512079 April 23, 1985 LeBlond
4763140 August 9, 1988 Niemeyer, III
4794406 December 27, 1988 Niemeyer, III
4794408 December 27, 1988 Niemeyer, III
4806954 February 21, 1989 Niemeyer, III
4827293 May 2, 1989 Niemeyer, III
4853714 August 1, 1989 Niemeyer, III
Patent History
Patent number: D307725
Type: Grant
Filed: Jun 29, 1987
Date of Patent: May 8, 1990
Assignee: AM International Corporation (Chicago, IL)
Inventor: Yong Paik (San Jose, CA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorneys: Roy A. Ekstrand, Nicholas A. Camasto
Application Number: 7/67,355