Tso-Yu Fan

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Changhua, TW

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Patents Grantslast 30 patents

Information Patent Grant
Central-controlled double wheel structure
- Patent number 9,139,043
- Issue date Sep 22, 2015
- Der Sheng Co. Ltd.
- Tso-Yu Fan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Caster
- Patent number D736608
- Issue date Aug 18, 2015
- Der Sheng Co. Ltd.
- Tso-Yu Fan
- D08 - Tools and hardware
Information Patent Grant
Caster
- Patent number D735022
- Issue date Jul 28, 2015
- Der Sheng Co. Ltd.
- Tso-Yu Fan
- D08 - Tools and hardware
Information Patent Grant
Caster
- Patent number D733541
- Issue date Jul 7, 2015
- Der Sheng Co. Ltd.
- Tso-Yu Fan
- D08 - Tools and hardware
Information Patent Grant
Caster
- Patent number D729051
- Issue date May 12, 2015
- Der Sheng Co. Ltd.
- Tso-Yu Fan
- D08 - Tools and hardware
Information Patent Grant
Caster
- Patent number D728354
- Issue date May 5, 2015
- Der Sheng Co. Ltd.
- Tso-Yu Fan
- D08 - Tools and hardware
Information Patent Grant
Castor having adjustable braking function
- Patent number 8,365,354
- Issue date Feb 5, 2013
- Der Sheng Co., Ltd.
- Tso-Yu Fan
- B60 - VEHICLES IN GENERAL