Granted Patent
Utility
US 6,680,657 · App. 10/162,579
Cross-coupled voltage controlled oscillator with improved phase noise performance
Inventors:
Xudong Wang, Xiaodong Wang
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Jun 6, 2002
Inventors
Xudong Wang
Xiaodong Wang
Assignee (at issue)
International Business Machines 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.