Granted Patent
Utility
US 4,485,174 · App. 06/427,470
Hemoglobin-based blood gas control
Inventors:
Ching-Chun Chiang, Susan K. Bolton
Patented Case
View Patent ↗
Granted: Nov 27, 1984
Filed: Sep 29, 1982
Inventors
Ching-Chun Chiang
Susan K. Bolton
Assignee (at issue)
Instrumentation Laboratory Company
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.