Bass reflex-type headphone
A Standard patent application filed on 24 August 2002 credited to Kim, Sung-Il

Details

Application number :

2002325575  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Bass reflex-type headphone  

Inventor :

Kim, Sung-Il  

Agent name :

 

Address for service :

 

Filing date :

24 August 2002  

Associated companies :

 

Applicant name :

MM GEAR CO., LTD.  

Applicant address :

2 FL., Hyeonjin Bldg., 90, Cheongdam2-dong, Gangnam-gu, 135-954 Seoul  

Old name :

 

Original Source :

Go  

Same Inventor

• **
• Multi-channel headphones
• Supporter for headphone
• The wireless circuit separating type wireless headphone
• The helmet-type speaker apparatus and the speaker system for chair...