Granted Patent
Utility
US 5,693,537 · App. 08/324,563
Compartmentalized tissue culture flask
Inventors:
John R. Wilson, Martin Wolf
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Oct 18, 1994
Inventors
John R. Wilson
Martin Wolf
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.