William C. Sleppy

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Belleville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Purification of an oil-containing liquid using a surface treated pe...
- Patent number 5,209,838
- Issue date May 11, 1993
- Aluminum Company of America
- William C. Sleppy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Aluminum smelting temperature selection
- Patent number 3,951,763
- Issue date Apr 20, 1976
- Aluminum Company of America
- William C. Sleppy
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR