Granted Patent
Utility
US 5,686,301 · App. 08/300,628
Culture vessel for cell cultures
Inventors:
Frank Walter Falkenberg, Hans-Otto Nagels, Heinz-Gerhard Kohn
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Sep 2, 1994
Inventors
Frank Walter Falkenberg
Hans-Otto Nagels
Heinz-Gerhard Kohn
Assignee (at issue)
Heraeus Instruments GmbH
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.