Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7173647 | Videophone | Eckart Joachim Wintzen, Pieter Martinus Den Toonder | 2007-02-06 |
| D491153 | Videophone | Eckart Joachim Wintzen, Pieter den Toonder | 2004-06-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7173647 | Videophone | Eckart Joachim Wintzen, Pieter Martinus Den Toonder | 2007-02-06 |
| D491153 | Videophone | Eckart Joachim Wintzen, Pieter den Toonder | 2004-06-08 |