E.S.R., INC. Trademarks
DIGICOMP
Filed: September 11, 1963
MECHANICAL DIGITAL COMPUTERS
Owned by: E.S.R., INC.
Serial Number: 72176721
THINK A DOT
Filed: December 8, 1965
APPARATUS SOLD AS A UNIT FOR PLAYING A COMPUTERIZED MARBLE GAME
Owned by: E.S.R., INC.
Serial Number: 72234185
DR. NIM
Filed: April 6, 1966
EQUIPMENT AND COMPONENT PARTS OF COMPUTERIZED MARBLE GAME
Owned by: E.S.R., INC.
Serial Number: 72242807
