Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815122 | Telephone answering system with means for recovering operational data | — | 1989-03-21 |
| 4571463 | Method and system for automatically inserting at least one pause into means for memorizing a dialing sequence | — | 1986-02-18 |
| 4356351 | Digital memory audio playback apparatus | Ralph J. Weaver | 1982-10-26 |