Granted Patent
Utility
US 6,177,261 · App. 08/981,729
Method to isolate mutants and to clone the complementing gene
Inventors:
Leendert Hendrik De Graaff, Henriëtta Catharina Van Den Broeck, Jacob Visser
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Dec 23, 1997
Inventors
Leendert Hendrik De Graaff
Henriëtta Catharina Van Den Broeck
Jacob Visser
Assignee (at issue)
Danisco Ingredients A/S (Danisco A/S)
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.