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Patent applications and USPTO patent grants for Chang; Jui-Sheng.The latest application filed is for "right-handed and reverse air channel button for a pneumatic tool".
Patent | Date |
---|---|
Right-handed and reverse air channel button for a pneumatic tool App 20080264662 - Chang; Jui-Sheng | 2008-10-30 |
Pneumatic tool with direction switch operable with single hand Grant 7,311,155 - Chang December 25, 2 | 2007-12-25 |
Pneumatic Tool With Pressure-stabilizing Cylinder App 20070217940 - Chang; Jui-Sheng | 2007-09-20 |
Pneumatic Tool App 20070166182 - Chang; Jui-Sheng | 2007-07-19 |
Pneumatic Tool With Direction Switch Operable With Single Hand App 20070131441 - Chang; Jui-Sheng | 2007-06-14 |
Pneumatic tool Grant 7,213,500 - Chang May 8, 2 | 2007-05-08 |
Pneumatic Tool App 20060288860 - Chang; Jui-Sheng | 2006-12-28 |
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