- Summagraphics Corporation

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

FIG. 2 is a side view thereof on an enlarged scale;

FIG. 3 is a front view thereof on an enlarged scale;

FIG. 4 is a rear view thereof on an enlarged scale; and

FIG. 5 is a bottom view thereof on an enlarged scale.

Referenced Cited
U.S. Patent Documents
D211473 June 1968 Dykmans et al.
1011853 December 1911 Rockwell
3251572 May 1966 Klitzner
3876831 April 1975 Wickham et al.
3980266 September 14, 1976 Jones
Other references
  • Chromatic.TM. Computer Company Catalog .COPYRGT.1979, p. 4, X-Y Digitizer Tablet. Computer Design, 8-1981, p. 56, LexiData System Digitizer. Industrial Design, 5/6-1978, p. 25, Editing Terminal Keyboard.
Patent History
Patent number: D284084
Type: Grant
Filed: Mar 21, 1983
Date of Patent: Jun 3, 1986
Assignee: Summagraphics Corporation (Fairfield, CT)
Inventor: Daniel A. Ferrara, Jr. (Bantam, CT)
Primary Examiner: Susan J. Lucas
Attorney: Daniel M. Rosen
Application Number: 6/477,306
Current U.S. Class: D14/114