Granted Patent
Utility
US 5,216,598 · App. 07/774,147
System for correction of trends associated with pulse wave forms in oximeters
Inventors:
Ronald L. Branstetter, Reuben W. Edgar, Jr.
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Oct 15, 1991
Inventors
Ronald L. Branstetter
Reuben W. Edgar, Jr.
Assignee (at issue)
Colin Electronics Co., Ltd.
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.