Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7215092 | Radio-linked, bi-directional control system for model electric trains | Robert Grubba, Randall L. Luck | 2007-05-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7215092 | Radio-linked, bi-directional control system for model electric trains | Robert Grubba, Randall L. Luck | 2007-05-08 |