Granted Patent
Utility
US 6,420,917 · App. 09/410,308
PLL loop filter with switched-capacitor resistor
Inventor:
Nikolaus Klemmer
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Oct 1, 1999
Inventor
Nikolaus Klemmer
Assignee (at issue)
ERICSSON GMBH
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.