Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6556945 | Measurement of grooves and long waves on rails with a longitudinal streak of light | Hubert Burggraf, Rolf Kettenburg, Dirk Maiwald, Dirk Rathjen | 2003-04-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6556945 | Measurement of grooves and long waves on rails with a longitudinal streak of light | Hubert Burggraf, Rolf Kettenburg, Dirk Maiwald, Dirk Rathjen | 2003-04-29 |