Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889242 | Device for testing and sorting electronic components, more particularly integrated circuit chips | Ekkehard Ueberreiter | 1989-12-26 |
| 4857838 | Apparatus for testing electronic components, in particular IC's | — | 1989-08-15 |