Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7194296 | Flexible instrument with optical sensors | Donald Dieter Frantz, Paul Clausen, Terry Fisher | 2007-03-20 |
| 6288785 | System for determining spatial position and/or orientation of one or more objects | Donald Dieter Frantz, Stefan Kirsch, Christian Schilling | 2001-09-11 |
| 6061644 | System for determining the spatial position and orientation of a body | — | 2000-05-09 |
| 5923417 | System for determining the spatial position of a target | — | 1999-07-13 |
| 5828770 | System for determining the spatial position and angular orientation of an object | David Ristau | 1998-10-27 |