Jung-Yuan Cheng

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Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Chain for slide fastener
- Patent number D893348
- Issue date Aug 18, 2020
- Unitech Zipper & Machinery Co., Ltd.
- Jung-Yuan Cheng
- D11 - Jewelry, symbolic insignia, and ornaments
Information Patent Grant
Watertight zipper
- Patent number D823718
- Issue date Jul 24, 2018
- Unitech Zipper & Machinery Co., Ltd.
- Jung-Yuan Cheng
- D11 - Jewelry, symbolic insignia, and ornaments
Information Patent Grant
Slide fastener tape
- Patent number D823719
- Issue date Jul 24, 2018
- Unitech Zipper & Machinery Co., Ltd.
- Jung-Yuan Cheng
- D11 - Jewelry, symbolic insignia, and ornaments
Information Patent Grant
Zipper tooth
- Patent number D657287
- Issue date Apr 10, 2012
- Unitech Zipper & Machinery Co., Ltd.
- Jung-Yuan Cheng
- D11 - Jewelry, symbolic insignia, and ornaments
Information Patent Grant
Lower stop device for an invisible zipper
- Patent number D528040
- Issue date Sep 12, 2006
- Unitech Zipper and Machinery Co., Ltd.
- Jung-Yuan Cheng
- D11 - Jewelry, symbolic insignia, and ornaments
Information Patent Grant
Stop device for a two-way invisible zipper
- Patent number D510891
- Issue date Oct 25, 2005
- Unitech Zipper and Machinery Co., Ltd.
- Jung-Yuan Cheng
- D11 - Jewelry, symbolic insignia, and ornaments