Tufftride Trademarks

TUFFTRIDE
EQUIPMENT FOR TREATING METALS BY A PROCESS USING MOLTEN SALTS CONTAINING SODIUM CYANIDE-NAMELY, POTS AND COLD AND HOT WATER RINSE TANKS
Expired  ·  June 30, 1969  ·  72331391  · 
TUFFTRIDE
Treating Metals by a Process Using Molten Salts Containing Sodium Cyanide
Cancelled  ·  May 23, 1960  ·  72097670  · 
TUFFTRIDE
SODIUM CYANIDE
Registered  ·  December 21, 1959  ·  72087692  ·