Granted Patent
Utility
US 5,965,015 · App. 09/188,606
Oil-water separator system with oleophobic fibrous filter
Inventors:
John J. Ronan, Kenneth A. Perrotta, Paul E. Rebe
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Nov 9, 1998
Inventors
John J. Ronan
Kenneth A. Perrotta
Paul E. Rebe
Assignee (at issue)
Whatman 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.