Chang; Kwei Tang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Kwei Tang.The latest application filed is for "coffee maker".
- Chang; Kwei Tang - Panchiao City Taipei Hsien TW
- Chang; Kwei-Tang - Taipei Hsien TW
| Patent | Date |
|---|---|
| Coffee maker Grant 6,715,406 - Chang April 6, 2 | 2004-04-06 |
| Separable coffee maker App 20030205145 - Chang, Kwei Tang | 2003-11-06 |
| Dual-purpose pot for roasting and frying App 20030205569 - Chang, Kwei Tang | 2003-11-06 |
| Coffee maker App 20030205146 - Chang, Kwei Tang | 2003-11-06 |
| Electric thermos bottle capable of filtering flowing water App 20030006176 - Chang, Kwei Tang | 2003-01-09 |
| Means for making soybean milk Grant 6,247,393 - Chang June 19, 2 | 2001-06-19 |
| Baking pot Grant 6,125,737 - Chang October 3, 2 | 2000-10-03 |
| Dual-function filter type pot cover Grant 5,873,298 - Chang February 23, 1 | 1999-02-23 |
| Coffee maker Grant 5,782,163 - Chang July 21, 1 | 1998-07-21 |
| Control circuit for controlling the operation of a multipurpose electronic cooker Grant 5,589,092 - Chang December 31, 1 | 1996-12-31 |
| Structure of percolator Grant 5,570,624 - Chang November 5, 1 | 1996-11-05 |
| Multipurpose cooker Grant D339,957 - Chang October 5, 1 | 1993-10-05 |
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