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Ngan-Fai Leung
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Englewood, OH, US
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last 30 patents
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Patent Grant
External voltage change device
Patent number
7,898,131
Issue date
Mar 1, 2011
A. O. Smith Corporation
Frank E. Staigl, III
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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last 30 patents
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Patent Application
EXTERNAL VOLTAGE CHANGE DEVICE
Publication number
20100001598
Publication date
Jan 7, 2010
A.O. Smith Corporation
Frank E. Staigl, III
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER