YAU; Chun Ho
Patent Applications and Registrations
Patent applications and USPTO patent grants for YAU; Chun Ho.The latest application filed is for "wind-driven air-compressed energy-saving collecting and filtering device for field fresh water".
- YAU; Chun Ho - Hong Kong HK
- YAU; Chun Ho - Kwai Chung HK
| Patent | Date |
|---|---|
| Wind-driven Air-Compressed Energy-Saving Collecting and Filtering Device for Field Fresh water App 20200157783 - YAU; Chun Ho | 2020-05-21 |
| Method Of Forming Asper-silver On A Lead Frame App 20160204003 - KWAN; Yiu Fai ; et al. | 2016-07-14 |
| Micro-blasting Treatment For Lead Frames App 20100155260 - Kwan; Yiu Fai ; et al. | 2010-06-24 |
| Pre-plated leadframe having enhanced encapsulation adhesion Grant 7,691,679 - Kwan , et al. April 6, 2 | 2010-04-06 |
| Pre-plated Leadframe Having Enhanced Encapsulation Adhesion App 20080233683 - Kwan; Yiu Fai ; et al. | 2008-09-25 |
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