Granted Patent
Utility
US 6,173,301 · App. 09/117,976
Method of generating signal amplitude responsive to desired function, and converter
Inventor:
Olli Piirainen
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Aug 11, 1998
Inventor
Olli Piirainen
Assignee (at issue)
Nokia Telecommunications Oy
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.