Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646453 | Digital dimming and flashing circuit for locomotive ditch lights | Donald C. Wetzel | 1997-07-08 |
| 5534733 | Digital dimming and flashing circuit for locomotive ditch lights | Donald C. Wetzel | 1996-07-09 |
| 5366254 | Smart material joint band | Michael A. Tucchio, Robert A. Stoodt | 1994-11-22 |
| 4862094 | Stroboscopic light circuit diagnostic system | Donald C. Wetzel | 1989-08-29 |
| 4567429 | Digital servo indicator | — | 1986-01-28 |