Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7602493 | Electronic color matching apparatus and method of display | — | 2009-10-13 |
| 6750962 | Optics alignment and calibration system | Joel S. Douglas, Jeffrey N. Roe, John H. Priest, John M. Gleisner, Charles C. Raney +2 more | 2004-06-15 |
| 6641566 | Reusable medication delivery device | Joel S. Douglas, Robert Hugo | 2003-11-04 |
| 6482186 | Reusable medication delivery device | Joel S. Douglas, Robert Hugo | 2002-11-19 |
| 6285454 | Optics alignment and calibration system | Joel S. Douglas, Jeffrey N. Roe, John E. Priest, John M. Gleisner, Charles C. Raney +2 more | 2001-09-04 |
| 6158870 | Combination musical and lightable baby bottle | — | 2000-12-12 |