FILTROL COMPANY OF CALIFORNIA Trademarks
NEUTROL
Filed: November 21, 1932
[ ADAPTED USE AS A DECOLORIZING, ] BLEACHING [, FILTERING, PURIFYING, AND ] MEDIUM
Owned by: FILTROL COMPANY OF CALIFORNIA
Serial Number: 71332339
RETROL
Filed: January 28, 1933
CHEMICALLY TREATED COLLOIDAL CLAY, ADAPTED FOR USE AS A [ DECOLORIZING, ] BLEACHING, [FILTERING, PURIFYING, AND ABSORBING…
Owned by: FILTROL COMPANY OF CALIFORNIA
Serial Number: 71334434
