Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638424 | Telephone voice mail delivery system | James G. Littleton | 1997-06-10 |
| 5604885 | Apparatus and method enabling a computer to transfer control between two program segments that call one another but operate in different modes | — | 1997-02-18 |