Granted Patent
Utility
US 6,643,531 · App. 10/225,171
Combination fingerprint and oximetry device
Inventor:
Frank Katarow
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Aug 22, 2002
Inventor
Frank Katarow
Assignee (at issue)
BCI, 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.