Granted Patent
Utility
US 6,448,677 · App. 09/839,500
Flat-type vibration motor
Inventor:
Sung Hong Won
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Apr 20, 2001
Inventor
Sung Hong Won
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.