Liu; Chang-Shin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Chang-Shin.The latest application filed is for "power tool with circuit protection capability".
- Liu; Chang-Shin - Chia-Yi City TW
- Liu; Chang-Shin - Chia-Yi TW
| Patent | Date |
|---|---|
| Lawn cutting device Grant 7,254,891 - Liu August 14, 2 | 2007-08-14 |
| Power tool with circuit protection capability App 20070139847 - Liu; Chang-Shin | 2007-06-21 |
| Power tool capable of battery status indication App 20070046110 - Liu; Chang-Shin | 2007-03-01 |
| Lawn cutting device App 20060265882 - Liu; Chang-Shin | 2006-11-30 |
| Power tool Grant D531,873 - Liu November 14, 2 | 2006-11-14 |
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