Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431167 | Adjustable coupler assembly for model trains | Gong Shi Ming | 2008-10-07 |
| D530380 | Adjustment arm | Gong Shi Ming | 2006-10-17 |
| 6244543 | Model railroad track switch | Steven Gugel, Timothy E. White | 2001-06-12 |