Granted Patent
Utility
US 5,531,131 · App. 08/326,999
Device for adjusting correction factor of a plunger lift pipet
Inventor:
Horst Sabloewski
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Oct 21, 1994
Inventor
Horst Sabloewski
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.