Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7845645 | Weight-controlled coin-bearing board device for coin-throwing game machine | Chu-Yi Chang | 2010-12-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7845645 | Weight-controlled coin-bearing board device for coin-throwing game machine | Chu-Yi Chang | 2010-12-07 |