Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867693 | Safety electrical tap | John J. Gizienski, Robert J. Mellen | 1989-09-19 |
| 4867694 | Safety electrical receptacle | — | 1989-09-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867693 | Safety electrical tap | John J. Gizienski, Robert J. Mellen | 1989-09-19 |
| 4867694 | Safety electrical receptacle | — | 1989-09-19 |