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Theodorus Anthonius Gerritsen
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Oakville, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Power control system for AC electric arc furnace
Patent number
6,603,795
Issue date
Aug 5, 2003
Hatch Associates LTD
Thomas Lai Wai Ma
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Power control system for AC electric arc furnace
Patent number
6,519,274
Issue date
Feb 11, 2003
Hatch Associates LTD
Thomas Lai Wai Ma
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Power control system for AC electric arc furnace
Publication number
20020136260
Publication date
Sep 26, 2002
Thomas Lai Wai Ma
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...