Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7285506 | Lamp reflector substrate, glass, glass-ceramic materials and process for making the same | Ronald Leroy Stewart | 2007-10-23 |
| 7199066 | Lamp reflector substrate, glass, glass-ceramic materials and process for making the same | Ronald Leroy Stewart | 2007-04-03 |
| 7091141 | Lamp reflector substrate, glass, glass-ceramic materials and process for making the same | Ronald Leroy Stewart | 2006-08-15 |
| 6606885 | Infrared, glass polarizer and method | Michael D. Harris, Thomas G. Havens, David J. Kerko | 2003-08-19 |