Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6918216 | Tubular skylight assembly | Mark W. Hopkins | 2005-07-19 |
| 6604329 | Light conducting tube for a skylight | Gary Cunagin, Mark W. Hopkins | 2003-08-12 |
| D464436 | Collapsible skylight tube having open ends and a light reflecting inner surface | Gary Cunagin, Mark W. Hopkins | 2002-10-15 |
| 6263624 | Skylight assembly | W. Douglas Hoy | 2001-07-24 |
| 6052956 | Skylight assembly | W. Douglas Hoy | 2000-04-25 |
| 5746967 | Method of curing thermoset resin with visible light | W. Douglas Hoy | 1998-05-05 |
| 4549379 | Skylight assembly | Donald L. Roettele | 1985-10-29 |