Granted Patent
Utility
US 6,676,383 · App. 10/218,257
Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method
Inventor:
Reto Schöb
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Aug 9, 2002
Inventor
Reto Schöb
Assignee (at issue)
Levitronix 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.