Issued Patents All Time
Showing 176–182 of 182 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5571451 | Quantum splitting oxide phosphor and method of making | William Winder Beers | 1996-11-05 |
| 5552082 | Quantum splitting oxide phosphor and method of making | William Winder Beers | 1996-09-03 |
| 5325016 | Mercury vapor lamp with terbium-activated gadolinium borate luminescent layer | — | 1994-06-28 |
| 5312612 | Polymorphous luminescent compositions | John Frederick Ackerman | 1994-05-17 |
| 5273681 | Praseodymium-doped luminescent compositions | — | 1993-12-28 |
| 5273732 | Luminescent compounds | John Frederick Ackerman | 1993-12-28 |
| 5230831 | Europium- and bismuth-doped luminescent compositions | — | 1993-07-27 |