Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885532 | Apparatus for testing multiphase outlet with visual indication of phase energization, phase rotation, and supply voltage | — | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885532 | Apparatus for testing multiphase outlet with visual indication of phase energization, phase rotation, and supply voltage | — | 1989-12-05 |