Granted Patent
Utility
US 6,353,639 · App. 09/531,193
Filter configuration and slope detector for quadrature amplitude modulated signals
Inventors:
Stefan Prange, Heribert Geib, Erik De Man
Patented Case
View Patent ↗
Granted: Mar 5, 2002
Filed: Mar 20, 2000
Inventors
Stefan Prange
Heribert Geib
Erik De Man
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.