Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521965 | Apparatus and method for handling busy calls in telephone network | Frederick D. D'Alessio, Robert E. Buchanan, Carolyn Smith | 1996-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521965 | Apparatus and method for handling busy calls in telephone network | Frederick D. D'Alessio, Robert E. Buchanan, Carolyn Smith | 1996-05-28 |