TUNGSTEN TOOLWORKS by ULTRA-TOOL INTERNATIONAL INCORPORATED (Track this)
Intl: (007) Machinery US: 013; 019; 021; 023; 031; 034; 035 Filing date: 04-Aug-2000 Serial number: 76103477
TREW TUNGSTEN by WEST, TRENT (Track this)
Intl: (014) Jewelry US: 002; 027; 028; 050 Filing date: 05-Jun-2000 Serial number: 76063251
TUNGSTENITE by Tungsten Industries, Inc. (Track this)
Intl: (007) Machinery US: 013; 019; 021; 023; 031; 034; 035 Filing date: 01-Oct-1998 Serial number: 75563398
TUNGSTEN MATRIX by KENT-GAMEBORE CORPORATION (Track this)
Intl: (013) Firearms US: 002; 009 Filing date: 22-Jun-1998 Serial number: 75506466