Matchett; Robert S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Matchett; Robert S..The latest application filed is for "forehead support for facial mask".
- Matchett; Robert S. - Mosman N/A AU
| Patent | Date |
|---|---|
| Forehead support for facial mask Grant 9,592,359 - Kwok , et al. March 14, 2 | 2017-03-14 |
| Forehead Support For Facial Mask App 20120222681 - KWOK; Philip R. ; et al. | 2012-09-06 |
| Forehead support for facial mask App 20100012129 - Kwok; Philip R. ; et al. | 2010-01-21 |
| Forehead support for facial mask Grant 7,234,466 - Kwok , et al. June 26, 2 | 2007-06-26 |
| Forehead support for facial mask App 20060289010 - Kwok; Philip R. ; et al. | 2006-12-28 |
| Forehead support for facial mask Grant 6,860,269 - Kwok , et al. March 1, 2 | 2005-03-01 |
| Forehead support for facial mask App 20040099272 - Kwok, Philip R. ; et al. | 2004-05-27 |
| Forehead support for facial mask Grant 6,532,961 - Kwok , et al. March 18, 2 | 2003-03-18 |
| Forehead support for facial mask App 20030034034 - Kwok, Philip R. ; et al. | 2003-02-20 |
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