Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9076334 | Navigation system and navigation method | Hartmut Schirmer | 2015-07-07 |
| 7869947 | Navigation system and navigation method | Harmut Schirmer | 2011-01-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9076334 | Navigation system and navigation method | Hartmut Schirmer | 2015-07-07 |
| 7869947 | Navigation system and navigation method | Harmut Schirmer | 2011-01-11 |