Kenneth Yuen

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Dong Guan, CN

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Patents Applicationslast 30 patents

Information Patent Application
Self-Locking Fastener
- Publication number 20130031756
- Publication date Feb 7, 2013
- Kenneth Yuen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
INK CARTRIDGE REFILL APPARATUS
- Publication number 20130025743
- Publication date Jan 31, 2013
- Kenneth Yuen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS