Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10306841 | Crop growing structure and method | Philip Fok, Ken Stutzman | 2019-06-04 |
| 8506135 | LED light engine apparatus for luminaire retrofit | — | 2013-08-13 |
| 8147267 | Base for retrofit LED lighting device | — | 2012-04-03 |
| 6090296 | Method and apparatus for UV-oxidation of toxics in water and UV-disinfection of water | — | 2000-07-18 |