Granted Patent
Utility
US 6,740,501 · App. 09/942,349
Coated membrane for assessing the invasive capacity of a cell
Inventors:
Frank J. Mannuzza, Paula Mary Flaherty, Stephen R. Ilsley, Martin Kramer
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Aug 29, 2001
Inventors
Frank J. Mannuzza
Paula Mary Flaherty
Stephen R. Ilsley
Martin Kramer
Assignee (at issue)
BECTON, DICKINSON AND COMPANY
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.