Granted Patent
Utility
US 5,817,042 · App. 08/622,642
Method and apparatus for controlling concentrations in vivos and in tubing systems
Inventors:
Robert W. Langley, Geert Van Waeg, Larry J. Dumont
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Mar 27, 1996
Inventors
Robert W. Langley
Geert Van Waeg
Larry J. Dumont
Assignee (at issue)
Cobe Laboratories, 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.