Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663777 | Apparatus for controlling digital voice recording and playback over telephone lines and adapted for use with standard host computers | — | 1987-05-05 |
| 4573140 | Method of and apparatus for voice communication storage and forwarding with simultaneous access to multiple users | — | 1986-02-25 |