DE Patent: 159,045 - Apparatus for Heating of Incandescent Light Vapor Lamp


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DE Patent: DE-159,045

Vorrichtung zum Heizen von Glüh Licht Dampflampevorrichtung zum Heizen von Glüh Licht Dampflampe
Apparatus for Heating of Incandescent Light Vapor Lamp

Patentee:

Johannes Spiel (exact or similar names) - Berlin, Germany

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	Aug. 23, 1903

Patent Pictures:

Espacenet patent
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