Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7046769 | Computerized system for the receipt, recordation, scheduling and redelivery of telephone messages to predetermined telephone numbers | Robert Johannes van Winkel | 2006-05-16 |
| 6731725 | Computerized system for the receipt, recordation, scheduling and redelivery of telephone messages | Robert Johannes van Winkel | 2004-05-04 |