Granted Patent
Utility
US 6,674,811 · App. 09/593,328
Efficient pre-distorted 12/4 QAM modulator
Inventors:
Ryan Michael Desrosiers, Craig A. Hornbuckle, Harvey L. Berger
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Jun 14, 2000
Inventors
Ryan Michael Desrosiers
Craig A. Hornbuckle
Harvey L. Berger
Assignee (at issue)
NORTHROP GRUMMAN 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.