Chen; Chun-Chiung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chen; Chun-Chiung.The latest application filed is for "structure of a hand-saw".
- Chen; Chun-Chiung - Taipei TW
- Chen, Chun Chiung - Taipei City TW
- Chen; Chun Chiung - Taichung TW
- Chen; Chun Chiung - Da Li City Taichung TW
| Patent | Date |
|---|---|
| Structure of a hand-saw Grant 6,742,268 - Chen June 1, 2 | 2004-06-01 |
| Structure Of A Hand-saw App 20040074099 - Chen, Chun-Chiung | 2004-04-22 |
| Structure of a penknife App 20030084575 - Chen, Chun Chiung | 2003-05-08 |
| Structure of multi-directional, combination-type ratchet wheel wrench with sleeve App 20030079570 - Chen, Chun-Chiung | 2003-05-01 |
| Screw driver having a retractable and rotatable handle Grant 6,116,123 - Chen September 12, 2 | 2000-09-12 |
| Ratchet tool Grant 6,047,617 - Chen April 11, 2 | 2000-04-11 |
| Tool handle Grant D415,005 - Chen October 12, 1 | 1999-10-12 |
| Ratchet tool Grant 5,884,537 - Chen March 23, 1 | 1999-03-23 |
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