Ping; Qui Jian
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ping; Qui Jian.The latest application filed is for "foldable knife".
- Ping; Qui Jian - Hangzhou CN
| Patent | Date |
|---|---|
| Foldable knife Grant 7,380,341 - Ping June 3, 2 | 2008-06-03 |
| Chalk line with handle Grant D532,327 - Ping November 21, 2 | 2006-11-21 |
| Utility knife Grant D517,893 - Ping March 28, 2 | 2006-03-28 |
| Foldable utility knife Grant D516,403 - Ping March 7, 2 | 2006-03-07 |
| Hand tool Grant D498,125 - Ping November 9, 2 | 2004-11-09 |
| Front-loading adjustable safety utility knife with safety quick-release lock Grant 6,357,120 - Khachatoorian , et al. March 19, 2 | 2002-03-19 |
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