Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691796 | Power tool having an operating knob for controlling operation in one of rotary drive and hammering modes | — | 2004-02-17 |
| 6688406 | Power tool having a function control mechanism for controlling operation in one of rotary drive and hammering modes | Hung-Ming Hsu, Cheng-I Teng | 2004-02-10 |