Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D329878 | Vending machine or similar article | — | 1992-09-29 |
| 4936034 | Reading stand with page turning mechanism | Chien-Chan Chen | 1990-06-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D329878 | Vending machine or similar article | — | 1992-09-29 |
| 4936034 | Reading stand with page turning mechanism | Chien-Chan Chen | 1990-06-26 |