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Ralph E. Scheidler
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Portland, OR, US
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last 30 patents
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Patent Grant
Voltage regulator with electrically isolated output stage
Patent number
4,224,562
Issue date
Sep 23, 1980
Sure Power Products, Inc.
Ralph E. Scheidler
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Dual rate voltage regulator
Patent number
4,136,311
Issue date
Jan 23, 1979
Ralph E. Scheidler
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Dual voltage battery system and electronic switch therefor
Patent number
4,114,082
Issue date
Sep 12, 1978
Ralph E. Scheidler
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Dual battery charge control
Patent number
4,041,363
Issue date
Aug 9, 1977
Ralph E. Scheidler
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER