Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877971 | Method and apparatus for distributing a signal | — | 1989-10-31 |
| 4841240 | Method and apparatus for verifying the continuity between a circuit board and a test fixture | Wha-Joon Lee | 1989-06-20 |