Duofoil Trademarks

DUOFOIL
COATED METAL SEPARATOR SHEETS AND DRILL ENTRY AND DRILL BACK-UP SHEETS
Cancelled  ·  December 24, 1987  ·  73702716  · 
DUOFOIL
ELECTRICAL CABLE
Registered  ·  October 19, 1970  ·  72373645  · 
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