Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9607821 | Modified spectrum incandescent lamp | Robert E. Levin, Richard Comtois | 2017-03-28 |
| D461573 | Electric lamp | James E. Oetken | 2002-08-13 |
| 5107167 | Incandescent bug lamp with cadmium-free powder coating | Sarah C. Shobert, Costas C. Lagos, Charles H. Wood | 1992-04-21 |
| 5032420 | Method of applying cadium-free incandescent lamp powder coating | Sarah C. Shobert, Costas C. Lagos, Charles H. Wood | 1991-07-16 |