Helio Calvalcante Lopes de Albuquerque

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Patents Grantslast 30 patents

Information Patent Grant
Container made of stainless steel for forming self-baking electrode...
- Patent number 6,590,926
- Issue date Jul 8, 2003
- Companhia Brasileira Carbureto de Calcio
- Hélio Cavalcante Lopes de Albuquerque
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Container made of stainless steel for forming self-baking electrode...
- Publication number 20020021738
- Publication date Feb 21, 2002
- Helio Calvalcante Lopes de Albuquerque
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR