Lee J. Duvall

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Louisville, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Removal and recovery of sulfur dioxide from stack gases
- Patent number 4,153,437
- Issue date May 8, 1979
- Lee J. Duvall
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Removal and recovery of sulfur dioxide from stack gases
- Patent number 4,078,390
- Issue date Mar 14, 1978
- Lee J. Duvall
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal and recovery of sulfur dioxide from stack gases
- Patent number 3,994,706
- Issue date Nov 30, 1976
- Lee J. Duvall
- C01 - INORGANIC CHEMISTRY