Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655640 | Control, sound, and operating system for model trains | David L. Krebiehl, Forrest S. Seitz, Stanley K. Sasaki | 2003-12-02 |
| 6619594 | Control, sound, and operating system for model trains | David L. Krebiehl, Forrest S. Seitz, Stanley K. Sasaki, Scott B. Long | 2003-09-16 |
| 6604641 | Low-power electrically operated coupler | David L. Krebiehl, Scott B. Long | 2003-08-12 |