Voltage indicator
United States Patent 2644134
US Patent References:
Stabilizer
- - 1735820

Alternating-current direct-current meter
- - 1811319

Voltage indicating apparatus
- - 1918834

Electrical indicator
- - 2156199

Electrical testing apparatus
- - 2232341


Inventors:
Nathan, Schnoll
Publication Date:
06/30/1953
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Assignee:
IND DEVICES INC
Primary Class:
324/98
Other Classes:
324/122
International Classes:
G01R19/155; G01R19/145
US Patent References:
2252638Animated electrical discharge device
2319845Instrument casing
2331759Plastic instrument case
2449150Portable indicator device for ordinary two prong plugs
2491781Cold cathode tube voltage indicator
2509815Electric current and voltage indicator
2525768Electronic tube with conductive coating
2548991Electrical circuit tester