Granted Patent
Utility
US 4,228,007 · App. 06/001,540
Chromatographic cartridge and holder
Inventors:
Carl W. Rausch, Yury Tuvin, Uwe D. Neue
Patented Case
View Patent ↗
Granted: Oct 14, 1980
Filed: Jan 8, 1979
Inventors
Carl W. Rausch
Yury Tuvin
Uwe D. Neue
Assignee (at issue)
WATERS GMBH
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.