Granted Patent
Utility
US 5,786,528 · App. 08/711,755
Water intrusion test for filters
Inventors:
Anthony DiLeo, Richard W. Gray
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Sep 10, 1996
Inventors
Anthony DiLeo
Richard W. Gray
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.