Granted Patent
Utility
US 5,121,085 · App. 07/722,752
Dual-charge-pump bandwidth-switched phase-locked loop
Inventor:
Russell W. Brown
Patented Case
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Granted: Jun 9, 1992
Filed: Jun 28, 1991
Inventor
Russell W. Brown
Assignee (at issue)
Digital Equipment Corporation
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.