Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994732 | "Automatic test system having a ""true tester-per-pin"" architecture" | David J. Marsh, Philip I. Collins | 1991-02-19 |
| 4931723 | "Automatic test system having a ""true tester-per-pin"" architecture" | David J. Marsh, Philip I. Collins | 1990-06-05 |