Chang; Hsin-Ho
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Hsin-Ho.The latest application filed is for "pneumatic wrench having reinforced strength".
- Chang; Hsin-Ho - Taiping City Taichung County 411 TW
- Chang; Hsin Ho - Taichung City TW
| Patent | Date |
|---|---|
| Pneumatic motor including a rotor in a cylinder between two covers in a shell from which air travels into the cylinder through the covers Grant 7,354,260 - Chang April 8, 2 | 2008-04-08 |
| Pneumatic wrench having reinforced strength Grant 7,194,939 - Chang March 27, 2 | 2007-03-27 |
| Pneumatic wrench having reinforced strength Grant 7,182,149 - Chang February 27, 2 | 2007-02-27 |
| Pneumatic wrench having enhanced strength Grant 7,165,631 - Chang January 23, 2 | 2007-01-23 |
| Pneumatic wrench having reinforced strength App 20060266169 - Chang; Hsin Ho | 2006-11-30 |
| Pneumatic Wrench Having Reinforced Strength App 20060266170 - Chang; Hsin Ho | 2006-11-30 |
| Pneumatic wrench having reinforced strength Grant 7,140,282 - Chang November 28, 2 | 2006-11-28 |
| Pneumatic wrench having reinforced strength App 20060032646 - Chang; Hsin Ho | 2006-02-16 |
| Pneumatic wrench having enhanced strength App 20060011363 - Chang; Hsin Ho | 2006-01-19 |
| Pneumatic wrench having enhanced strength App 20060011364 - Chang; Hsin Ho | 2006-01-19 |
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