Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731051 | Blue incandescent appliance lamp | James E. Oetken | 2004-05-04 |
| 6670768 | Blue incandescent general purpose lamp | — | 2003-12-30 |
| 5969476 | Enviromentally safe yellow bug light | — | 1999-10-19 |
| 5744900 | Pink lamp and coating therefor | — | 1998-04-28 |