Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062039 | Adjustable test socket | Jason W. Farris, David Henry, Donald A. Marx | 2011-11-22 |
| 7581962 | Adjustable test socket | David Henry, Jason W. Farris, Donald A. Marx | 2009-09-01 |
| 5857453 | Precision slot cutting machine for concrete and asphalt | Jeffrey K. Arnswald | 1999-01-12 |