Colorvir Trademarks

COLORVIR
chemical preparations for toning and dying black and white prints and transparencies
Cancelled  ·  June 25, 1991  ·  74179578  · 
COLORVIR
Chemical Preparations for Toning and Dyeing Black and White Prints and Transparencies
Cancelled  ·  March 21, 1983  ·  73393296  · 
colorvir