Tsai; Cheng-Chung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsai; Cheng-Chung.The latest application filed is for "fire-resistant board".
- Tsai; Cheng-Chung - Changhua County TW
- Tsai; Cheng-Chung - Taichung City TW
- Tsai; Cheng-Chung - Taichung Hsien TW
- Tsai; Cheng-Chung - Ta-Ya Hsiang Taichung Hsien TW
- Tsai, Cheng-Chung - Taipei Hsien TW
- Tsai; Cheng-Chung - Taipei TW
Trademarks
| Patent | Date |
|---|---|
| Fire-resistant board App 20110070410 - Huang; Chi-Lung ; et al. | 2011-03-24 |
| Laminated Board App 20100297411 - Tsai; Cheng-Chung ; et al. | 2010-11-25 |
| Device for exercising foot muscle Grant 6,740,011 - Tsai , et al. May 25, 2 | 2004-05-25 |
| Exercise device Grant 6,676,580 - Tsai , et al. January 13, 2 | 2004-01-13 |
| Automatic tying shoelace App 20030177661 - Tsai, Cheng-Chung | 2003-09-25 |
| Exercise device App 20020165073 - Tsai, Cheng-Chung ; et al. | 2002-11-07 |
| Raincoat concealing backpack Grant 5,743,448 - Tsai April 28, 1 | 1998-04-28 |
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