Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975712 | Common visual and functional architecture for presenting and controlling arbitrary telephone line features | Charles B. Schnarel, Peter Chin, Derek S. Graham, Kate Welker, Robert C. Murdock +3 more | 2005-12-13 |