Liou; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liou; David.The latest application filed is for "water wheel device and control mechanism therefor".
- Liou; David - New Taipei N/A TW
- LIOU; David - Taiwan CN
- Liou; David - Taipei County TW
- Liou; David - Taichung TW
- Liou; David - Taipei Hsien TW
| Patent | Date |
|---|---|
| Water wheel device and control mechanism therefor Grant 10,041,465 - Liou August 7, 2 | 2018-08-07 |
| Water Wheel Device And Control Mechanism Therefor App 20160195059 - Liou; David | 2016-07-07 |
| Controllable transmission system and method thereof Grant 8,011,875 - Liou September 6, 2 | 2011-09-06 |
| Controllable Transmission System And Method Thereof App 20080050219 - Liou; David | 2008-02-28 |
| Portion of a shoe Grant D429,875 - Liou August 29, 2 | 2000-08-29 |
| Gravity generating system Grant 5,905,312 - Liou May 18, 1 | 1999-05-18 |
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