Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7298078 | Flat, flexible fluorescent lamp | Gustaf T. Appelberg, Joseph W. Fleming | 2007-11-20 |
| 6896388 | Path marking and lighting system | Gustaf T. Appelberg, Joseph W. Fleming | 2005-05-24 |
| 6833669 | Method and apparatus for making large-scale laminated foil-back electroluminescent lamp material, as well as the electroluminescent lamps and strip lamps produced therefrom | Gustaf T. Appelberg | 2004-12-21 |
| 6304039 | Power supply for illuminating an electro-luminescent panel | Gustaf T. Appelberg, Joseph W. Fleming, Jerrold Milks | 2001-10-16 |
| 6043609 | Control circuit and method for illuminating an electroluminescent panel | Gustaf T. Appelberg, Joseph W. Fleming, David Ross | 2000-03-28 |
| 4500173 | Electroluminescent lamp for liquid crystal display | Marshall Leibowitz | 1985-02-19 |
| 4227779 | Hermetic seal for electrochromic display | Saadi J. Bissar | 1980-10-14 |
| 4214820 | Electrochromic display having enhanced night viewability | Marshall Leibowitz, Alan E. Willis | 1980-07-29 |