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US1180264A
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Incandescent body for electric lamps.
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GB190624973A
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Improvements relating to Electric Incandescent Lamps.
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US1203635A
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Support for metallic glow-filaments.
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GB190620210A
|
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Improvements in Supports for Metallic Filaments for Electric Incandescent Lamps.
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GB190620209A
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Improvements in or relating to Metallic Glow-bodies for Electrical Apparatus.
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US1132523A
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Manufacture of incandescent filaments of metallic tungsten or molybdenum for electric incandescent lamps.
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US1047541A
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Support for metallic glow-filaments for electric incandescent lamps.
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US1079777A
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Manufacture of incandescent bodies of metallic tungsten or molybdenum for electric incandescent lamps.
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GB190618875A
|
|
Improvements relating to Electric Incandescent Lamps.
|
|
GB190618874A
|
|
Improvements relating to Electric Incandescent Lamps.
|
|
GB190618812A
|
|
Improvements in Supports for Metallic Filaments for Electric Incandescent Lamps.
|
|
GB190618738A
|
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Improvements in the Manufacture of Filaments of Metallic Tungsten or Molybdenum for Electric Incandescent Lamps.
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|
US1071325A
|
|
Manufacture of filaments of tungsten or molybdenum for electric incandescence lamps.
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|
US1047540A
|
|
Manufacture of tungsten filaments for incandescent electric lamps.
|
|
US1035883A
|
|
Manufacture of exceedingly-thin metallic glowing filaments for electric incandescent lamps.
|
|
US908682A
|
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Manufacture of glowing bodies of refractory metals for electric lamps.
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CA320504A
|
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Electric glow discharge tube
|
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CA282800A
|
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Carbon filament
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CA312499A
|
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Process of producing carbon
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CA286623A
|
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Carbon filament
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