Granted Patent
Utility
US 5,814,372 · App. 08/718,980
Process for forming porous composite membrane
Inventor:
Wilson Moya
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Sep 26, 1996
Inventor
Wilson Moya
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.