Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569786 | Layered reflecting and photoluminous fire resistant material | — | 2003-05-27 |
| 6159878 | Layered reflecting and photoluminous fire resistant material | — | 2000-12-12 |
| 5315491 | Reflecting and luminous layered material | Andrew B. Spencer, Richard J. Guastamachio | 1994-05-24 |
| 5300783 | Layered reflecting and luminous material | Andrew B. Spencer, Richard J. Guastamachio | 1994-04-05 |