Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D390561 | Interactive telecommunication station unit | Joseph J. Schappler, Erik L. van Bergen | 1998-02-10 |
| D390562 | Telecommunication station equipment | Joseph J. Schappler, Erik L. van Bergen | 1998-02-10 |