Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729980 | Jam free device for a table tennis serving machine | Sheng-Nan Lu | 2004-05-04 |
| 6186132 | On-court service machine for table tennis | — | 2001-02-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729980 | Jam free device for a table tennis serving machine | Sheng-Nan Lu | 2004-05-04 |
| 6186132 | On-court service machine for table tennis | — | 2001-02-13 |