Granted Patent
Utility
US 6,608,532 · App. 09/951,240
Circuit configuration for producing a quadrature-amplitude-modulated transmission signal
Inventor:
Heinrich Schenk
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Sep 12, 2001
Inventor
Heinrich Schenk
Assignee (at issue)
Infineon Technologies AG
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.