Granted Patent
Utility
US 6,642,800 · App. 10/116,555
Spurious-free fractional-N frequency synthesizer with multi-phase network circuit
Inventors:
Oleg Drapkin, Chak Cheung Ho, Ngar Sze Nancy Chan, Grigori Temkine, Ho Ming (Karen) Wan
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Apr 4, 2002
Inventors
Oleg Drapkin
Chak Cheung Ho
Ngar Sze Nancy Chan
Grigori Temkine
Ho Ming (Karen) Wan
Assignee (at issue)
ATI Technologies Inc.
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.