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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
·
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