Colorverter Trademarks

COLORVERTER
MACHINES FOR TINTING AND SLITTING ROLLED PAPER
Expired  ·  November 26, 1973  ·  73007292  · 
COLORVERTER
MACHINE FOR ANALYZING COLOR NEGATIVES TO IMPROVE THE COLOR BALANCE OF COLOR PRINTS MADE FROM NEGATIVES
Expired  ·  June 6, 1969  ·  72329349  ·