Variable crank-shaft device for driving a bicycle
A Standard patent application filed on 28 October 2000 credited to Lee, Young-Woo ; Jung, Doo-Gyung

Details

Application number :

10613  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Variable crank-shaft device for driving a bicycle  

Inventor :

Lee, Young-Woo ; Jung, Doo-Gyung  

Agent name :

 

Address for service :

 

Filing date :

28 October 2000  

Associated companies :

 

Applicant name :

Idea Bank Network Co., Ltd.  

Applicant address :

 

Old name :

 

Original Source :

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