Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521969 | Telephone caller identity delivery system and method with enhanced caller privacy | Robert M. Rubin, Joseph J. Serinese | 1996-05-28 |
| 5333184 | Call message recording for telephone systems | Gerard P. Doherty, Nicholas J. Lanzillotti | 1994-07-26 |