Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7075876 | Method of registering a running time on an information carrier, information carrier and apparatus | Jacobus P. J. Heemskerk, Jakob Gerrit Nijboer | 2006-07-11 |
| 6778484 | Method of registering a running time on an information carrier, information carrier and apparatus | Jacobus P. J. Heemskerk, Jakob Gerrit Nijboer | 2004-08-17 |
| 6577574 | Method of registering a running time on an information carrier, information carrier and apparatus | Jacobus P. J. Heemskerk, Jakob Gerrit Nijboer | 2003-06-10 |