Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9266381 | Palm-pressing text correction apparatus | — | 2016-02-23 |
| 8579000 | Automatic rotation type correction tape structure | — | 2013-11-12 |
| 6620239 | Transmission device for a continuous tape | — | 2003-09-16 |
| 6086279 | Writing instrument | — | 2000-07-11 |
| 5938360 | Pen nib structure for smooth painting | Tro-Kung Ku | 1999-08-17 |