Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6866125 | Illumination system for escalator handrails | George Yan | 2005-03-15 |
| 5249910 | Vehicle mounted self-loading and carrying apparatus | — | 1993-10-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6866125 | Illumination system for escalator handrails | George Yan | 2005-03-15 |
| 5249910 | Vehicle mounted self-loading and carrying apparatus | — | 1993-10-05 |