Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802921 | Process and system for vitrified extruded ceramic tiles and profiles | Rudrapatnakeshavamurthy Venkatesha, Kasturi Umapathy Rao | 2004-10-12 |
| 6781302 | Low pressure mercury vapor fluorescent lamps | Gary Sigai, David C. Nesting, Brett Carter | 2004-08-24 |
| 6683406 | Low pressure mercury vapor fluorescent lamps | Gary Sigai | 2004-01-27 |