Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D394863 | Enclosure for self-powered speaker | — | 1998-06-02 |
| D269433 | Auxiliary telephone cradle | Jeffrey D. Stein | 1983-06-21 |
| 4382161 | Clip-on electronic switching and hold devices for telephones | Jeffrey D. Stein | 1983-05-03 |