Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4700491 | Color-coded ruler for three-phase wiring | — | 1987-10-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4700491 | Color-coded ruler for three-phase wiring | — | 1987-10-20 |