Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790006 | Method for electrically simulating a cradle switch and a hands free talking-loudspeaking key in a hands free talking-loudspeaking telephone station | Gerrit W. Nijmolen | 1988-12-06 |
| 4768225 | Telephone station set for table wall operations | Juergen Ruschel | 1988-08-30 |