Granted Patent
Utility
US 6,643,530 · App. 09/735,960
Method and apparatus for demodulating signals in a pulse oximetry system
Inventors:
Mohamed K. Diab, Walter M. Weber, Ammar Al-Ali
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Dec 13, 2000
Inventors
Mohamed K. Diab
Walter M. Weber
Ammar Al-Ali
Assignee (at issue)
MASIMO 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.