CHENG; Che-chang
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHENG; Che-chang.The latest application filed is for "replacing device for laminated manufacturing platform".
- CHENG; Che-chang - Taoyuan City TW
- Cheng; Che-Chang - Chang Hua N/A TW
| Patent | Date |
|---|---|
| Replacing Device For Laminated Manufacturing Platform App 20190160798 - JEN; Kuo-kuang ; et al. | 2019-05-30 |
| Electric pencil sharpener with a replaceable cutter assembly Grant 9,555,661 - Cheng , et al. January 31, 2 | 2017-01-31 |
| Tape Holding Device App 20130209157 - Cheng; Che-Chang ; et al. | 2013-08-15 |
| Electric Pencil Sharpener With A Replaceable Cutter Assembly App 20130186517 - Cheng; Che-Chang ; et al. | 2013-07-25 |
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