Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884027 | Manual microcircuit die test system | Daron C. Holderfield, Bernard E. Martin | 1989-11-28 |
| 4881411 | Specimen holder and rotary assembly | Daron C. Holderfield, Bernard E. Martin | 1989-11-21 |