Liao; Wen-Hsin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liao; Wen-Hsin.The latest application filed is for "easy assembly level".
- Liao; Wen-Hsin - Taichung TW
- Liao; Wen-Hsin - Taichung City TW
- Liao; Wen-Hsin - New Taipei City TW
- Liao; Wen-Hsin - Ta Li TW
- Liao; Wen-Hsin - Taipei Hsien TW
- Liao; Wen-Hsin - Ta Li City TW
| Patent | Date |
|---|---|
| Spirit level Grant D851,507 - Liao | 2019-06-18 |
| Easy Assembly Level App 20180120104 - Liao; Wen-Hsin | 2018-05-03 |
| Easy Assembly Level App 20170343347 - Liao; Wen-Hsin | 2017-11-30 |
| Handheld Electronic Device And Method For Taking Photo By Handheld Electronic Device App 20150244939 - Liao; Wen-Hsin ; et al. | 2015-08-27 |
| Combined level and square Grant D659,561 - Liao May 15, 2 | 2012-05-15 |
| Leveling device Grant D598,310 - Liao August 18, 2 | 2009-08-18 |
| Leveling device Grant D597,871 - Liao August 11, 2 | 2009-08-11 |
| Method and Apparatus for Enhancing Information Security in a Computer System App 20090064316 - Liao; Wen-Hsin ; et al. | 2009-03-05 |
| Laser level Grant D580,283 - Liao November 11, 2 | 2008-11-11 |
| Range Finder App 20060256317 - Liao; Wen-Hsin | 2006-11-16 |
| Leveling device Grant D526,915 - Liao August 22, 2 | 2006-08-22 |
| Leveling device Grant D526,225 - Liao August 8, 2 | 2006-08-08 |
| Laser leveling device having selectable light beam Grant 7,069,661 - Liao July 4, 2 | 2006-07-04 |
| Laser leveling device having selectable light beam App 20050044736 - Liao, Wen Hsin | 2005-03-03 |
| Level device Grant D499,031 - Liao November 30, 2 | 2004-11-30 |
| Leveling device Grant D495,263 - Liao August 31, 2 | 2004-08-31 |
| Level having a detachable and quick release structure App 20030093909 - Liao, Wen Hsin | 2003-05-22 |
| Level having a detachable securing structure App 20030079357 - Liao, Wen Hsin | 2003-05-01 |
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