Shih; Chao-Tung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shih; Chao-Tung.The latest application filed is for "adjustable punching device".
- Shih; Chao-Tung - Jhonghe City TW
- Shih; Chao-Tung - Jhonghe TW
| Patent | Date |
|---|---|
| Adjustable punching device App 20070251438 - Shih; Chao-Tung ; et al. | 2007-11-01 |
| Dual function apparatus for cutting and punching App 20060266191 - Shih; Chao-Tung | 2006-11-30 |
| Corner cutting structure Grant 7,104,173 - Shih September 12, 2 | 2006-09-12 |
| Slideable hole punch Grant 6,877,413 - Shih April 12, 2 | 2005-04-12 |
| Knife holder traverser of corner cutting device App 20050072286 - Shih, Chao-Tung | 2005-04-07 |
| Slideable Hole Punch App 20050066789 - Shih, Chao-Tung | 2005-03-31 |
| Corner cutting structure App 20050056129 - Shih, Chao-Tung | 2005-03-17 |
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