Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255776 | Display device and method therefor | Francis C. Peterson | 2001-07-03 |
| 6183330 | Display device and method therefor | Francis C. Peterson | 2001-02-06 |
| 5141275 | Drill rod retrieval device | Charles WALSH | 1992-08-25 |