Granted Patent
Utility
US 5,932,473 · App. 08/941,473
Preparation of a cell culture substrate coated with poly-D-lysine
Inventors:
Mark S. Swiderek, Frank J. Mannuzza, Stephen R. Ilsley, Arthur Myles
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Sep 30, 1997
Inventors
Mark S. Swiderek
Frank J. Mannuzza
Stephen R. Ilsley
Arthur Myles
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.