Granted Patent
Utility
US 5,286,382 · App. 08/012,112
Hydrophobic polymeric membrane composites
Inventors:
Louis M. Scarmoutzos, John Charkoudian
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: May 17, 1993
Inventors
Louis M. Scarmoutzos
John Charkoudian
Assignee (at issue)
Millipore Corporation
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.