Tseng; Han Chung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tseng; Han Chung.The latest application filed is for "knife with trigger actuator for retractable blade".
- Tseng; Han Chung - Nantou TW
- Tseng; Han Chung - Nantou City TW
- Tseng; Han Chung - Taichung TW
| Patent | Date |
|---|---|
| Knife with trigger actuator for retractable blade Grant 7,322,110 - Hernandez , et al. January 29, 2 | 2008-01-29 |
| Knife with trigger actuator for retractable blade App 20070074402 - Hernandez; Hector Ray ; et al. | 2007-04-05 |
| Artistic knife with spare blades Grant 6,829,827 - Tseng December 14, 2 | 2004-12-14 |
| Knife with trigger actuator for retractable blade App 20040237312 - Hernandez, Hector ; et al. | 2004-12-02 |
| Artistic knife with spare blades App 20030024124 - Tseng, Han Chung | 2003-02-06 |
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