Granted Patent
Utility
US 6,681,103 · App. 09/645,323
On-chip image reject filter
Inventors:
John William Mitchell Rogers, Calvin Plett
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Aug 25, 2000
Inventors
John William Mitchell Rogers
Calvin Plett
Assignee (at issue)
SiGe Semiconductor, 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.