Cornelius J. DuPlessis

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Nelspruit, 1200 Transvaal, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and process for activation of carbon by electrical resist...
- Patent number 5,173,921
- Issue date Dec 22, 1992
- E. Mervyn J. Gaylord
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for activation of carbon by electrical resistance heating i...
- Patent number 5,089,457
- Issue date Feb 18, 1992
- E. Mervyn J. Gaylard
- C01 - INORGANIC CHEMISTRY