About 2 Trademarks found that are owned by Midwest Tungsten Service Inc.

Welding electrodes; Electrodes for welding machines

Common metal, namely, tungsten in the form of rods, wire, bars, blocks, round blanks, plates, sheets, nuts and threaded rod; tungsten alloy in the form of rods, wire, bars, blocks, round blanks, plates, sheets, nuts and threaded rod; molybdenum in the form of rods, wire, bars, blocks, round blanks, plates, sheets, nuts and threaded rod; and tantalum in the form of rods, wire, bars, blocks, round blanks, plates, sheets, nuts and threaded rod

Electric welding machines; Gas welding machines; Laser welding machines; Welding electrodes; Welding generators; Welding torches