Granted Patent
Utility
US 5,620,661 · App. 08/353,752
Pipette system
Inventor:
Klaus Sch urbrock
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Dec 12, 1994
Inventor
Klaus Sch urbrock
Assignee (at issue)
Eppendorf-Netheler-Hinz 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.