Duronyl Trademarks

DURONYL
DYESTUFFS
Expired  ·  April 21, 1964  ·  72191664  · 
DURONYLAN
DYESTUFFS AND DYEING ASSISTANTS
Expired  ·  May 5, 1966  ·  72245029  · 
DURONYLITE
DYESTUFFS
Expired  ·  April 21, 1964  ·  72191666  ·