SHU; Zu-Shung
Patent Applications and Registrations
Patent applications and USPTO patent grants for SHU; Zu-Shung.The latest application filed is for "ratchet tool".
- SHU; Zu-Shung - Taichung City TW
- Shu; Zu-Shung - Taichung TW
- Shu; Zu-Shung - Ta Li City Taichung Hsien TW
| Patent | Date |
|---|---|
| Ratchet Tool App 20200246946 - Kind Code | 2020-08-06 |
| Sleeve device for receiving bits Grant 10,307,896 - Shu | 2019-06-04 |
| Sleeve Device for Receiving Bits App 20180185995 - SHU; Zu-Shung | 2018-07-05 |
| Ratchet screwdriver Grant 8,720,307 - Shu May 13, 2 | 2014-05-13 |
| Ratchet Screwdriver App 20120318104 - Shu; Zu-Shung | 2012-12-20 |
| Tool handle Grant D608,178 - Shu January 19, 2 | 2010-01-19 |
| Chuck App 20090008886 - Shu; Zu-Shung | 2009-01-08 |
| Quick switch hand tool Grant 7,424,837 - Shu September 16, 2 | 2008-09-16 |
| Tool handle Grant D576,467 - Shu September 9, 2 | 2008-09-09 |
| Fast Switch Hand Tool App 20080178717 - Shu; Zu-Shung | 2008-07-31 |
| Tool joint Grant 7,195,247 - Shu March 27, 2 | 2007-03-27 |
| Bit-driving apparatus Grant 7,121,168 - Shu October 17, 2 | 2006-10-17 |
| Tool joint App 20060163823 - Shu; Zu-Shung | 2006-07-27 |
| Selective one-way bit-driving apparatus Grant 6,976,409 - Shu December 20, 2 | 2005-12-20 |
| Selective one-way bit-driving apparatus App 20050211027 - Shu, Zu-Shung | 2005-09-29 |
| Selective one-way bit-driving apparatus App 20050204869 - Shu, Zu-Shung | 2005-09-22 |
| Screwdriver handle Grant D442,049 - Shu May 15, 2 | 2001-05-15 |
| Ratchet mechanism housing assembly for a ratchet screwdriver Grant 6,151,995 - Shu November 28, 2 | 2000-11-28 |
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