Granted Patent
Utility
US 6,836,039 · App. 10/603,473
Brushless vibration motor
Inventors:
Tae Young Choi, Soon Do Kweon, Hwa Young Oh
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Jun 24, 2003
Inventors
Tae Young Choi
Soon Do Kweon
Hwa Young Oh
Assignee (at issue)
SAMSUNG DISPLAY CO., LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.