Celtrol Trademarks

CELTROL
MICROPROCESSORS
Abandoned  ·  April 15, 1999  ·  75684386  · 
CELTROL
COMPUTER PROGRAMS, FOR USE IN ELECTRICAL CONTROL CIRCUITS FOR ALUMINUM REDUCTION CELLS
Abandoned  ·  December 22, 1997  ·  75409397  · 
CELTROL
SPECIAL ELECTRICAL CONTROL CIRCUITS FOR ALUMINUM REDUCTION CELLS
Cancelled  ·  June 25, 1979  ·  73221049  ·