Granted Patent
Utility
US 6,805,972 · App. 10/386,924
Method of forming nanoporous membranes
Inventors:
Jonah D. Erlebacher, Yi Ding
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Mar 13, 2003
Inventors
Jonah D. Erlebacher
Yi Ding
Assignee (at issue)
The Johns Hopkins University
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.