Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7433565 | Side-scattering light guides | Edmond Kenneth Joseph, Geoffrey Burton Smith | 2008-10-07 |
| 7218824 | Light emitting device | Geoffrey Burton Smith, Edmond Kenneth Joseph | 2007-05-15 |
| 6272265 | Lighting system for transmitting and releasing luminescent radiation | — | 2001-08-07 |
| 6059438 | Sunlight collecting and transmitting system | Geoffrey Burton Smith | 2000-05-09 |
| 5709456 | Sunlight collecting and transmitting system | Geoffrey Burton Smith | 1998-01-20 |
| 5548490 | Sunlight collecting and transmitting system | Geoffrey Burton Smith | 1996-08-20 |