Hien T. Nguyen

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Germantown, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Power supply for elevator systems having variable speed drives
- Patent number 7,246,686
- Issue date Jul 24, 2007
- Thyssen Elevator Capital Corp.
- Rory Smith
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Energy efficient variable speed drive for elevator systems
- Publication number 20050224296
- Publication date Oct 13, 2005
- Rory Smith
- B66 - HOISTING LIFTING HAULING