Chuang; Ching-Pao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chuang; Ching-Pao.The latest application filed is for "securing base".
- Chuang; Ching-Pao - Yu Che Yu Che Li TW
- Chuang; Ching-Pao - Tainan Hsien TW
| Patent | Date |
|---|---|
| Securing base Grant 5,280,871 - Chuang January 25, 1 | 1994-01-25 |
| Angle-adjustable joint Grant 5,265,969 - Chuang November 30, 1 | 1993-11-30 |
| Collapsible tent frame Grant 5,263,507 - Chuang November 23, 1 | 1993-11-23 |
| Collapsible recuperating walker Grant 5,261,682 - Chuang November 16, 1 | 1993-11-16 |
| Collapsible tent frame Grant 5,159,947 - Chuang , et al. November 3, 1 | 1992-11-03 |
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