Lan Tang

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Wexford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fan one way air valve
- Patent number 6,554,698
- Issue date Apr 29, 2003
- Marconi Communications, Inc.
- Sorin Kranzdorf
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Fan one way air valve
- Publication number 20020068523
- Publication date Jun 6, 2002
- Sorin Kranzdorf
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC