Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619594 | Control, sound, and operating system for model trains | Michael Paul Wolf, David L. Krebiehl, Forrest S. Seitz, Stanley K. Sasaki | 2003-09-16 |
| 6604641 | Low-power electrically operated coupler | Michael Paul Wolf, David L. Krebiehl | 2003-08-12 |