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Power line control system
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Patent number 5,614,811
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Issue date Mar 25, 1997
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Dyalem Concepts, Inc.
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Emil Sagalovich
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Signal generator
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Patent number 4,961,203
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Issue date Oct 2, 1990
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EMI Limited
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Barry G. Maufe
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Load control circuit
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Patent number 4,680,508
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Issue date Jul 14, 1987
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General Electric Company
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William M. Rucki
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electrical appliance control
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Patent number 4,628,440
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Issue date Dec 9, 1986
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Pico Electronics Limited
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David R. Thompson
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G06 - COMPUTING CALCULATING COUNTING
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Powerline carrier control system
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Patent number 4,321,581
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Issue date Mar 23, 1982
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Siemens Aktiengesellschaft
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Hermann Tappeiner
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3778726
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Patent number 3,778,726
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Issue date Dec 11, 1973
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3772659
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Patent number 3,772,659
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Issue date Nov 13, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3257601
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Patent number 3,257,601
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Issue date Jun 21, 1966
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER