Leung; Elton Yu Man
Patent Applications and Registrations
Patent applications and USPTO patent grants for Leung; Elton Yu Man.The latest application filed is for "improved input device".
- Leung; Elton Yu Man - Hong Kong CN
- Leung; Elton Yu Man - Kowloon HK
| Patent | Date |
|---|---|
| Musical teether Grant 10,507,168 - Leung , et al. Dec | 2019-12-17 |
| Input device Grant 10,496,191 - Heung , et al. De | 2019-12-03 |
| Improved Input Device App 20180067569 - HEUNG; Kwei Hing ; et al. | 2018-03-08 |
| Musical Teether App 20170304155 - LEUNG; KAR KOI ; et al. | 2017-10-26 |
| Adapter device for tablet computer Grant 9,110,629 - Leung August 18, 2 | 2015-08-18 |
| Handwriting pen Grant 8,786,579 - Leung July 22, 2 | 2014-07-22 |
| Adapter Device For Tablet Computer App 20130301200 - Leung; Elton Yu Man | 2013-11-14 |
| Handwriting Pen App 20120075258 - Leung; Elton Yu Man | 2012-03-29 |
| Music Pacifier App 20110082501 - Leung; Elton Yu Man | 2011-04-07 |
| Walking Stick App 20080169010 - Heung; Philip Fu Lap ; et al. | 2008-07-17 |
| Interconvertible structure of alphabetic-numeric keyboard App 20070243002 - Leung; Elton Yu Man | 2007-10-18 |
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