Granted Patent
Utility
US 5,423,982 · App. 08/251,847
Liquid chromatography column adapted for in situ chemical sterilization
Inventors:
Alois Jungbauer, Hans Lettner
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: May 31, 1994
Inventors
Alois Jungbauer
Hans Lettner
Assignee (at issue)
Biosepra, 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.