Latest Summagraphics Corporation Patents:
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.
|D211473||June 1968||Dykmans et al.|
|3876831||April 1975||Wickham et al.|
|3980266||September 14, 1976||Jones|
- 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.