LEONG; Waihong
Patent Applications and Registrations
Patent applications and USPTO patent grants for LEONG; Waihong.The latest application filed is for "compositions and methods for detecting allergens".
- LEONG; Waihong - Alpharetta GA
- Leong; Waihong - Roswell GA
| Patent | Date |
|---|---|
| Compositions And Methods For Detecting Allergens App 20200370090 - MACDONALD; John Gavin ; et al. | 2020-11-26 |
| Low-moisture cloud-making cleaning article Grant 9,826,876 - Yang , et al. November 28, 2 | 2017-11-28 |
| Low-moisture Cloud-making Cleaning Article App 20150089755 - Yang; Kaiyuan ; et al. | 2015-04-02 |
| Earplug Grant D654,582 - Gehling , et al. February 21, 2 | 2012-02-21 |
| Self-conforming sound attenuation earplug Grant 8,113,207 - Gehling , et al. February 14, 2 | 2012-02-14 |
| Self-conforming sound attenuation earplug Grant 7,984,716 - Purcell , et al. July 26, 2 | 2011-07-26 |
| Bandless hearing protector and method Grant 7,841,446 - Leong , et al. November 30, 2 | 2010-11-30 |
| Bandless hearing protector and method Grant 7,708,110 - Leong , et al. May 4, 2 | 2010-05-04 |
| Self-conforming sound attenuation earplug App 20100043806 - Gehling; Steven Craig ; et al. | 2010-02-25 |
| Clip-style hearing protector Grant 7,648,005 - Leong , et al. January 19, 2 | 2010-01-19 |
| Bandless hearing protector and method App 20090095566 - Leong; Waihong ; et al. | 2009-04-16 |
| Self-conforming sound attenuation earplug App 20080314393 - Purcell; Ricky Wayne ; et al. | 2008-12-25 |
| Bandless Hearing Protection Muffs App 20080263749 - Leong; Waihong ; et al. | 2008-10-30 |
| Clip-style hearing protector App 20080264429 - Leong; Waihong ; et al. | 2008-10-30 |
| Bandless hearing protector and method App 20080264715 - Leong; Waihong ; et al. | 2008-10-30 |
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