John T. Lewis

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Hixson, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Nozzle dam sealing system
- Patent number 4,826,036
- Issue date May 2, 1989
- Combustion Engineering, Inc.
- John T. Lewis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for grinding the internal walls of pipes
- Patent number 4,327,526
- Issue date May 4, 1982
- Combustion Engineering, Inc.
- William H. Pettyjohn
- B24 - GRINDING POLISHING