Granted Patent
Utility
US 6,211,708 · App. 09/344,932
Frequency doubling circuits, method, and systems including quadrature phase generators
Inventor:
Nikolaus Klemmer
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Jun 28, 1999
Inventor
Nikolaus Klemmer
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.