The helmet-type speaker apparatus and the speaker system for chair using of it
A Standard patent application filed on 25 September 2003 credited to Kim, Sung-Il
Details
Application number :
2003267832
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
The helmet-type speaker apparatus and the speaker system for chair using of it
Inventor :
Kim, Sung-Il
Agent name :
Address for service :
Filing date :
25 September 2003
Associated companies :
Applicant name :
MM GEAR CO., LTD.
Applicant address :
2 Fl., Hyeonjin Bldg., 90, Cheongdam2-dong, Gangnam-gu, Seoul 135-954