Ho; Chun-Feng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ho; Chun-Feng.The latest application filed is for "blade-switchable utility knife".
- Ho; Chun-Feng - Taichung TW
- HO; CHUN-FENG - TAICHUNG CITY TW
- Ho; Chun-Feng - Taichung Hsien TW
| Patent | Date |
|---|---|
| Blade-switchable utility knife Grant 9,149,941 - Ho October 6, 2 | 2015-10-06 |
| Blade-switchable Utility Knife App 20140053408 - HO; CHUN-FENG | 2014-02-27 |
| Safe utility knife Grant 8,595,942 - Ho December 3, 2 | 2013-12-03 |
| Blade-switchable utility knife Grant 8,484,854 - Ho July 16, 2 | 2013-07-16 |
| Utility Knife Using Tilting Status Thereof For Blade Switching App 20120174412 - HO; CHUN-FENG | 2012-07-12 |
| Blade-switchable Utility Knife App 20110308090 - HO; CHUN-FENG | 2011-12-22 |
| Safe Utility Knife App 20110232104 - HO; Chun-Feng | 2011-09-29 |
| Utility knife App 20070220758 - Ho; Chun-Feng | 2007-09-27 |
| Utility knife App 20070220757 - Ho; Chun-Feng | 2007-09-27 |
| Utility knife App 20050193567 - Ho, Chun-Feng | 2005-09-08 |
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