Granted Patent
Utility
US 6,574,491 · App. 09/777,546
Method and apparatus for detecting a physiological parameter
Inventor:
Ziad F. Elghazzawi
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Feb 6, 2001
Inventor
Ziad F. Elghazzawi
Assignee (at issue)
Siemens Medical Systems,Inc.
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.