Norman R. Clevinger

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Decatur, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Heat transfer tubes and methods of fabrication thereof
- Patent number 5,996,686
- Issue date Dec 7, 1999
- Wolverine Tube, Inc.
- Petur Thors
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat transfer tubes and methods of fabrication thereof
- Patent number 5,697,430
- Issue date Dec 16, 1997
- Wolverine Tube, Inc.
- Petur Thors
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method of making an improved heat transfer tube with grooved inner...
- Publication number 20030009883
- Publication date Jan 16, 2003
- Petur Thors
- F28 - HEAT EXCHANGE IN GENERAL