4 |
[미국] An electronic spinning apparatus, and a process of preparing nonwoven fabric using the thereof
|
김학용, 박종철 |
11/263,991 |
2005.11.02 |
제7,332,050호 |
2008.02.19 |
3 |
[미국] A process of preparing continuous filament composed of nano fiber
|
김학용, 박종철 |
10/512,095 |
2004.10.11 |
제7,354,546호 |
2008.04.08 |
2 |
[미국] A ultrafine inorganic fiber, and a process of preparing for the same
|
김학용 |
10/250,368 |
2003.07.01 |
제6,787,230호 |
2004.09.07 |
1 |
[미국] An electronic spinning apparatus, and a process of preparing nonwoven fabric using the thereof
|
김학용, 박종철 |
10/363,413 |
2003.03.04 |
제6,991,702호 |
2006.01.31 |