Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6884987 | Microprocessor based automatically dimmable eye protection device with interruption prevention | Thomas J. Hamilton | 2005-04-26 |
| 6881939 | Microprocessor based automatically dimmable eye protection device | Thomas J. Hamilton | 2005-04-19 |