Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9086294 | Navigation device with adaptive navigation instructions | Pieter Geelen, David Stelpstra, Kees Wesselius | 2015-07-21 |
| 8886455 | Navigation apparatus, audible instruction generation system and method of generating audible instructions | — | 2014-11-11 |
| 8854546 | Method and apparatus for displaying data content | — | 2014-10-07 |
| 8396665 | Portable navigation device | Martin Siereveld, Jochem de Jong | 2013-03-12 |