Granted Patent
Utility
US 5,462,052 · App. 08/055,800
Apparatus and method for use in measuring a compositional parameter of blood
Inventors:
John L. Gehrich, Thomas P. Maxwell, Thomas G. Hacker, Mark Z. Holody
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Apr 27, 1993
Inventors
John L. Gehrich
Thomas P. Maxwell
Thomas G. Hacker
Mark Z. Holody
Assignee (at issue)
Minnesota Mining and Manufacturing 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.