Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7343693 | Scale assembly for optical encoder having affixed optical reference markers | Donald L. Grimes, William G. Thorburn, Stuart A. Dodson, II, Keith M. Hinrichs, Andrew Goldman +2 more | 2008-03-18 |
| 7324212 | Optical encoder having slanted optical detector elements for harmonic suppression | William G. Thorburn | 2008-01-29 |
| 7193204 | Multi-track optical encoder employing beam divider | — | 2007-03-20 |
| 7067797 | Optical position encoder having alignment indicators providing quantitative alignment indications | William G. Thorburn, Andrew Goldman, Keith M. Hinrichs | 2006-06-27 |
| 6686585 | Position encoder with scale calibration | Donald L. Grimes, Stuart Schechter | 2004-02-03 |
| 5783752 | Diffuse surface interference position sensor | William G. Thorburn, Bruce A. Horwitz | 1998-07-21 |
| 5754295 | Non-contacting torque sensor and displacement measuring apparatus and method | — | 1998-05-19 |
| 5646730 | Relative movement detecting apparatus using a detector positioned in a region of natural interference | William G. Thorburn | 1997-07-08 |
| 5559600 | Apparatus for detecting relative movement | — | 1996-09-24 |
| 5486923 | Apparatus for detecting relative movement wherein a detecting means is positioned in the region of natural interference | William G. Thorburn | 1996-01-23 |
| 5022485 | Method and apparatus for detonation of distributed charges | — | 1991-06-11 |
| 4991684 | Method and apparatus for detonation of distributed charges | — | 1991-02-12 |