Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719649 | Ball server with delay element for delaying time period of serving a ball | — | 2004-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719649 | Ball server with delay element for delaying time period of serving a ball | — | 2004-04-13 |