Daegu
South Korea
3
2010-01-14
The entities that hold a legal rights for patent applications filed by inventor Chong Chung-Ook:
Chung-Ook Chong from Daegu, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
VACUUM CLEANER
#2 | 2009-09-03Vacuum cleaner having abilities for automatic moving and posture control and method of controlling the same
#3 | 2008-02-07Vacuum cleaner having agitator performing linear translation
3730801 ⎘