Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7400445 | Optical filters for accelerated weathering devices | Richard Fischer | 2008-07-15 |
| 7345750 | Method of accelerated testing of illuminated device components | Richard Fischer | 2008-03-18 |
| 7124651 | Method of accelerated testing of illuminated device components | Richard Fischer | 2006-10-24 |
| 6984058 | Optical filters comprising opacified portion | Geoffrey P. Morris, Richard Fischer, Bradley D. Guth | 2006-01-10 |
| 6906857 | Optical filters for manipulating spectral power distribution in accelerated weathering devices | Richard Fischer, Bradley D. Guth, James Riley | 2005-06-14 |
| 6859309 | Optical filters for manipulating spectral power distribution in accelerated weathering devices | Richard Fischer, Bradley D. Guth, James Riley | 2005-02-22 |