Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5961266 | Anti-vibration bolt and nut structure | — | 1999-10-05 |
| 5956991 | Forming device for shaped decoration panels | — | 1999-09-28 |
| 5943903 | Binding structure for multiple small and thin pipes | — | 1999-08-31 |
| 5941118 | Die forging method for metallic hollow pipes | — | 1999-08-24 |
| 5938379 | Countersink reamer for three-dimensional interior/exterior rims of a small bore | — | 1999-08-17 |
| 5907896 | Method for bending forging artistic metallic pipes | — | 1999-06-01 |
| 5884516 | Three dimensional cold forging method for shaping a hollow article and the apparatus for the method | — | 1999-03-23 |
| 5749622 | Contracting structure on bicycle seats | — | 1998-05-12 |
| 5727420 | Recoverable and reusable cold forging dies | — | 1998-03-17 |
| 5538461 | Workpiece protecting wire net used in vibration milling | — | 1996-07-23 |