Lu-Wen CHANG

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Taichung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Self-standing bag with foldable flange
- Patent number 8,806,843
- Issue date Aug 19, 2014
- S-Pouch Pak Co., Ltd.
- Lu-Wen Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
SOFT PACKAGE WITH STRENGTHENED HOT PRESSING TRACES AND MANUFACTURIN...
- Publication number 20200017268
- Publication date Jan 16, 2020
- Lu-Wen CHANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SELF-STANDING BAG WITH FOLDABLE FLANGE
- Publication number 20120275727
- Publication date Nov 1, 2012
- S-Pouch Pak Co.,Ltd.
- Lu-Wen CHANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SELF-STANDING BAG WITH FOLDABLE FLANGE
- Publication number 20100054633
- Publication date Mar 4, 2010
- RADIA Co., Ltd.
- Lu-Wen CHANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL