Duraphos Trademarks

DURAPHOS
chemical additives for lubricants and fuels
Cancelled  ·  October 8, 1993  ·  74446742  · 
DURAPHOS
CHEMICAL ADDITIVES FOR LUBRICANTS AND FUELS
Cancelled  ·  June 18, 1986  ·  73604964  · 
DURAPHOS
PROTECTIVE COATING ON METAL TO PREVENT RUST AND AS A BASE COATING FOR PAINTED METAL SURFACES
Expired  ·  April 22, 1963  ·  72167232  ·