Granted Patent
Utility
US 6,029,711 · App. 09/288,721
Hose for a hose pump
Inventors:
Jochim Koch, Ralf-Ernst Loser
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Apr 9, 1999
Inventors
Jochim Koch
Ralf-Ernst Loser
Assignee (at issue)
Drager Medizintechnik 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.