Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1988-07-14
1991-03-26
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
Patent
active
D03156923
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patent: 7224318 (1988-07-01), Dooley et al.
"Hi-Z Voltage AC Voltmeters High Impedance Portable Analog or Digital for Power Line Use for both Capacitance Tap Voltage Test Points and Direct High Voltage Lines", Ross Engineering Corporation, B-1013.
Kup-L-Test Position (5 kV-35 kV) Electric High Voltage Indicator, Kulper, Catalog No. 633-2, p. No. 1, Apr. 1985.
Fameca High Voltage Detector.
Hot Line Indicator (HL-4), Hastings Fiber Glass Products, Inc.
Davis Antoine D.
Holtje Nelson C.
Public Service Electric and Gas Company
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