Chang; Ching-Yuan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Ching-Yuan.The latest application filed is for "method of increasing transesterification conversion of oils".
- Chang; Ching-Yuan - Taiwan TW
- CHANG; Ching-Yuan - Kaohsiung City TW
- Chang; Ching-Yuan - Sinjhuang City TW
| Patent | Date |
|---|---|
| Lens measuring device and method applied therein Grant 7,969,563 - Ma , et al. June 28, 2 | 2011-06-28 |
| Method Of Increasing Transesterification Conversion Of Oils App 20100242348 - CHEN; Yi-Hung ; et al. | 2010-09-30 |
| Lens Measuring Device And Method Applied Therein App 20090251689 - Ma; Chien-Ching ; et al. | 2009-10-08 |
| Do-it-yourself relief board App 20090098326 - Chang; Ching-Yuan | 2009-04-16 |
| Method Of Increasing Transesterification Of Oils App 20080171889 - CHEN; Yi-Hung ; et al. | 2008-07-17 |
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