Granted Patent
Utility
US 5,847,623 · App. 08/925,572
Low noise Gilbert Multiplier Cells and quadrature modulators
Inventor:
Aristotle Hadjichristos
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Sep 8, 1997
Inventor
Aristotle Hadjichristos
Assignee (at issue)
ERICSSON GMBH
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.