Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8998472 | Liquid filled light guide containing voids within the walls | — | 2015-04-07 |
| 6840645 | Light tube system for distributing sunlight or artificial light singly or in combination | James Eisenman | 2005-01-11 |
| 6169839 | Light distribution systems and illumination devices | — | 2001-01-02 |
| 6014489 | Light distributing tubes and methods of forming same | — | 2000-01-11 |
| 5784517 | Illumination devices and methods of forming same | — | 1998-07-21 |
| 5483119 | Illumination devices and methods of forming same | — | 1996-01-09 |
| 5475785 | Illumination devices and methods of forming same | — | 1995-12-12 |
| D266534 | Greenhouse | — | 1982-10-12 |