Granted Patent
Utility
US 5,676,645 · App. 08/472,931
Method and apparatus for controlling concentrations in vivos and in tubing systems
Inventors:
Geert Van Waeg, Robert W. Langley, Larry J. Dumont
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Jun 6, 1995
Inventors
Geert Van Waeg
Robert W. Langley
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.