Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454030 | Network of voice and/or fax mail systems | Jorge A. F. de Oliveira, Joao L. R. Costa, Luis M. F. de Filipe, Ralf Vogel | 1995-09-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454030 | Network of voice and/or fax mail systems | Jorge A. F. de Oliveira, Joao L. R. Costa, Luis M. F. de Filipe, Ralf Vogel | 1995-09-26 |