Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074736 | Pneumatic tool with an improved soundproof device | Yung Yung Sun | 2011-12-13 |
| 7878886 | Pneumatic grinder with an improved air intake control apparatus | Yung Yung Sun | 2011-02-01 |
| 7635293 | Grinding machine with a length-adjustable dust collecting structure | Yung Yung Sun | 2009-12-22 |
| D592480 | Bent head of a pneumatic tool | Yung Yung Sun | 2009-05-19 |
| 7530885 | Pneumatic grinder with improved handle structure | Yung Yung Sun | 2009-05-12 |
| 7465222 | Grinding wheel | Yung Yung Sun | 2008-12-16 |
| 7300337 | Grinding machine with a dust collector | Yung Yung Sun | 2007-11-27 |
| 7273412 | Abrasive wheel with improved composing structure | Yung Yung Sun | 2007-09-25 |
| 7238095 | Pneumatic grinder with improved muffling structure | Yung Yung Sun | 2007-07-03 |
| D544890 | Grinding wheel | Yung Yung Sun | 2007-06-19 |
| 7144315 | Grinding wheel | Yung Yung Sun | 2006-12-05 |
| 7118467 | Pneumatic buffing machine | Yung Yung Sun | 2006-10-10 |
| 6932165 | Controlling mechanism of pneumatic tool | Yung Yung Sun | 2005-08-23 |
| 6901665 | Pneumatic pruning hook with a telescopic shank | Yung Yung Sun | 2005-06-07 |
| 6793701 | Air-liquid separating apparatus for compressed air | Yung Yung Sun | 2004-09-21 |
| D494434 | Handheld pneumatic burnish device | Yung Yung Sun | 2004-08-17 |
| 6616518 | Dust collector of a grinding device | Yung Yung Sun | 2003-09-09 |
| 6616719 | Air-liquid separating method and apparatus for compressed air | Yung Yung Sun | 2003-09-09 |