Thomas M. Stephens

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Menlo Park, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pyrolysis furnace
- Patent number 3,972,682
- Issue date Aug 3, 1976
- Envirotech Corporation
- Thomas M. Stephens
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Automatic rotary sample injection valve
- Patent number 3,948,104
- Issue date Apr 6, 1976
- Envirotech Corporation
- Thomas M. Stephens
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...