Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8520191 | Slit aperture for diffraction range finding system | James A. Knapp | 2013-08-27 |
| 6603561 | Chromatic diffraction range finder | — | 2003-08-05 |
| 6490028 | Variable pitch grating for diffraction range finding system | Douglas Lyon | 2002-12-03 |