Shang-Jen Chang

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Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Door control device for a large garbage container
- Patent number 5,671,859
- Issue date Sep 30, 1997
- Miin-Tsang Sheu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Air inlet valve of a nipple used for a bottle
- Publication number 20050252875
- Publication date Nov 17, 2005
- Miin-Tsang Sheu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE