Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7552725 | Cutting angle adjustment device for a stone cutter | Yuehting Chen | 2009-06-30 |
| 7044121 | Cutting mechanism minute adjustment device for a stone cutter | — | 2006-05-16 |
| 6932075 | Blade angle adjustment device for a stone cutter | — | 2005-08-23 |
| 6883511 | Portable stone cutter | — | 2005-04-26 |
| 6679244 | Structurally improved stone cutter | — | 2004-01-20 |
| 6263866 | Stone cutter | — | 2001-07-24 |