Granted Patent
Utility
US 5,435,701 · App. 08/182,486
Pump with medium tight shell and venting means
Inventor:
Nico G. Markerink
Patented Case
View Patent ↗
Granted: Jul 25, 1995
Filed: Jan 14, 1994
Inventor
Nico G. Markerink
Assignee (at issue)
Stork Pompen B.V.
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.