Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7236576 | Common visual and functional architecture for presenting and controlling arbitrary telephone line features | Charles B. Schnarel, Mauricio Lomelin, Peter Chin, Derek S. Graham, Kate Welker +3 more | 2007-06-26 |
| 7225409 | Graphical user interface for a screen telephone | Charles P. Schnarel, Mauricio Lomelin, Peter Chin, Derek S. Graham, Kate Welker +3 more | 2007-05-29 |
| 6975712 | Common visual and functional architecture for presenting and controlling arbitrary telephone line features | Charles B. Schnarel, Mauricio Lomelin, Peter Chin, Derek S. Graham, Kate Welker +3 more | 2005-12-13 |
| 6389124 | Common visual and functional architecture for presenting and controlling arbitrary telephone line features | Charles B. Schnarel, Mauricio Lomelin, Peter Chin, Derek S. Graham, Kate Welker +3 more | 2002-05-14 |