Granted Patent
Utility
US 5,282,380 · App. 07/906,730
Integrity test for membranes
Inventors:
Anthony DiLeo, Michael W. Phillips
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Jun 30, 1992
Inventors
Anthony DiLeo
Michael W. Phillips
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.