Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8024501 | Serial data interface system and method using a selectively accessed tone pattern generator | Josephus Van Engelen | 2011-09-20 |
| 7480751 | Serial data interface system and method using a selectively accessed tone pattern generator | Josephus Van Engelen | 2009-01-20 |