Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967444 | Miniature reduced mercury HID lamp | Susan L. Callahan | 2005-11-22 |
| 6853140 | Mercury free discharge lamp with zinc iodide | Sharon L. Ernest, Susan L. Callahan, Robert J. Karlotski | 2005-02-08 |