using ultrasonic means

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CPC
H02J13/0068

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Parent Industries

HELECTRICITY H02Electric power H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER SYSTEMS FOR STORING ELECTRIC ENERGY H02J13/00Circuit arrangements for providing remote indication of network conditions

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H02J13/0068using ultrasonic means

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Patents Grantslast 30 patents

Information Patent Grant
Wireless multiple position switching system
- Patent number 5,818,128
- Issue date Oct 6, 1998
- Heath Company
- Miles K. Hoffman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wireless multiple position switching system
- Patent number 5,340,954
- Issue date Aug 23, 1994
- Heath Company
- Miles K. Hoffman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wireless multiple position switching system
- Patent number 5,239,205
- Issue date Aug 24, 1993
- Heath Company
- Miles K. Hoffman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER