Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646453 | Digital dimming and flashing circuit for locomotive ditch lights | Robert A. Livsey | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646453 | Digital dimming and flashing circuit for locomotive ditch lights | Robert A. Livsey | 1997-07-08 |