Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757133 | Magnesium vapor discharge lamp | Ronald A. Meyer, Robert A. Foss | 1998-05-26 |
| 5690531 | Method for the manufacture of bent tube lamps | Robert A. Foss, Patrick M. Lewis | 1997-11-25 |
| 5600205 | Bent tube lamp | Robert A. Foss, Patrick M. Lewis | 1997-02-04 |