Granted Patent
Utility
US 5,629,084 · App. 08/545,230
Porous composite membrane and process
Inventor:
Wilson Moya
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Oct 19, 1995
Inventor
Wilson Moya
Assignee (at issue)
Millipore Investment Holdings, Ltd.
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.