Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6087775 | Exterior shroud lamp | Lionel M. Levinson, John M. Davenport, Laurence Bigio | 2000-07-11 |
| 5389853 | Incandescent lamp filament with surface crystallites and method of formation | Laurence Bigio, Joseph M. Ranish, Clyde L. Briant, Ronald H. Wilson | 1995-02-14 |