Richard Chang

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Fan Yuan City, TW

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Patents Applicationslast 30 patents

Information Patent Application
HANDHELD RAPID HEATING DEVICE FOR CUTTING AND ADHERING THIN FILM
- Publication number 20210339900
- Publication date Nov 4, 2021
- Richard CHANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
MAIN SHAFT STRUCTURE OF TOOL MACHINE
- Publication number 20130269964
- Publication date Oct 17, 2013
- Richard CHANG
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
ABRASIVE APPARATUS OF A SANDER
- Publication number 20110256816
- Publication date Oct 20, 2011
- Richard CHANG
- B24 - GRINDING POLISHING
Information Patent Application
WOOD CUTTING MACHINE WITH A FINE ADJUSTMENT DEVICE
- Publication number 20110253260
- Publication date Oct 20, 2011
- Richard Chang
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...