Granted Patent
Utility
US 6,566,920 · App. 09/285,887
Phase locked loop using lock detecting circuit
Inventor:
Young Soo Kim
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Apr 7, 1999
Inventor
Young Soo Kim
Assignee (at issue)
Hyundai Electronics Industries 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.