Granted Patent
Utility
US 5,385,672 · App. 08/135,223
Method for preparing membranes with adjustable separation performance
Inventors:
Eric S. Peterson, Christopher J. Orme, Mark L. Stone
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Oct 13, 1993
Inventors
Eric S. Peterson
Christopher J. Orme
Mark L. Stone
Assignee (at issue)
EG&G Idaho, Inc.
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.