Title:
Apparatus for detecting defects in electrical systems
United States Patent 2422644
Inventors:
Louis, Martenet
Publication Date:
06/17/1947
Export Citation:
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Assignee:
Louis, Martenet
Primary Class:
324/552
Other Classes:
174/1, 324/509, 324/528, 340/647
International Classes:
G01R19/155
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US Patent References:
2128019Phase sequence and voltage indicating means
1896598Prong-type holder for safety testing devices
1684798Live-line and insulator testing device
1370638Insulator-testing device
Foreign References:
DE456520C
DE485286C