Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D374087 | Skylight | Loren Abraham, Dawn DeKeyser | 1996-09-24 |
| 5467564 | Daylight collection and distribution system | Dawn DeKeyser, Loren Abraham | 1995-11-21 |
| D364469 | Skylight | Loren Abraham, Dawn DeKeyser, Thomas A. Hansen | 1995-11-21 |
| 4593976 | Solar illumination device | David Jonathan Bennett | 1986-06-10 |
| 4329021 | Passive solar lighting system | David Jonathan Bennett | 1982-05-11 |