Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8308520 | Cathodoluminescent phosphor lamp having extraction and diffusing grids and base for attachment to standard lighting fixtures | Charles E. Hunt, Bearnard K. Vancil, Richard N. Herring | 2012-11-13 |
| 8058789 | Cathodoluminescent phosphor lamp having extraction and diffusing grids and base for attachment to standard lighting fixtures | Charles E. Hunt, Bernard K. Vancil, Richard N. Herring | 2011-11-15 |