- Summagraphics Corporation

FIG. 1 is a perspective view of a cursor showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a bottom view thereof; and

FIG. 6 is a back view thereof.

Referenced Cited
U.S. Patent Documents
3541541 November 1970 Engelbart
3876831 April 1975 Wickham et al.
4194084 March 18, 1980 Hetzel
4255617 March 10, 1981 Carau, Sr. et al.
Other references
  • Computer Design, 11-1980, p. 201, GTCO Corp. Interactive Digitizer Cursor.
Patent History
Patent number: D280725
Type: Grant
Filed: Mar 21, 1983
Date of Patent: Sep 24, 1985
Assignee: Summagraphics Corporation (Fairfield, CT)
Inventor: Daniel A. Ferrara, Jr. (Bantam, CT)
Primary Examiner: Susan J. Lucas
Attorney: Daniel M. Rosen
Application Number: 6/477,305
Current U.S. Class: D14/114