Summasketch Trademarks

SUMMASKETCH
COMPUTER GRAPHICS EQUIPMENT, NAMELY CONTROLLERS, DATA TABLETS, DIGITIZERS AND DATA ENTRY UNITS
Cancelled  ·  January 17, 1985  ·  73517910  · 
SUMMASKETCH FX
digitizer styli
Abandoned  ·  November 4, 1993  ·  74456434  ·