Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139438 | Artificial ice skating rink assembly | Henry H. Park, Edward Y. Park | 2000-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139438 | Artificial ice skating rink assembly | Henry H. Park, Edward Y. Park | 2000-10-31 |