Improvements in the Treatment of Metals or Alloys to Render them Ductile and Malleable.
GB191303162A
Improved Method of Making Sheets, Rods, Wires, Filaments and the like of Tungsten and Molybdenum or Alloys thereof.
GB191226287A
Improvements in the Manufacture of Ductile and Malleable Bodies of Tungsten or Molybdenum or their Alloys especially Wires or Filaments for Electric Incandescent Lamps.
GB191226288A
Improvements in or relating to Filament Carriers for Electric Incandescent Lamps.
GB191226289A
Improvements in Metal Filaments for Electric Incandescent Lamps.
GB191219288A
Improvements in the Treatment of Metals or Alloys to Render them Ductile and Malleable.
GB191024637A
Process for Decarbonizing Metallic Filaments for Incadescent Electric Lamps.
GB191022852A
Improvements relating to Metallic Filament Electric Lamps.
GB191003610A
Improvements relating to the Manufacture of Tungsten Filaments for Incandescent Electric Lamps.
GB191002983A
Process for Decarbonizing Metallic Filaments for Incandescent Electric Lamps.
