Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300314 | Combined plug and conductor detector | Sergius P. Krzyzanowski | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300314 | Combined plug and conductor detector | Sergius P. Krzyzanowski | 1989-03-21 |