Granted Patent
Utility
US 5,601,728 · App. 08/565,468
Cell strainer assembly and method of use
Inventors:
John J. Kayal, Seiji Fukushima, Thomas Fleming
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Nov 30, 1995
Inventors
John J. Kayal
Seiji Fukushima
Thomas Fleming
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.