Granted Patent
Utility
US 6,180,373 · App. 08/411,760
Microorganisms for the production of tryptophan and process for the preparation thereof
Inventors:
Günter WICH, Walfred Leinfelder, Keith C. Backman
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Apr 12, 1995
Inventors
Günter WICH
Walfred Leinfelder
Keith C. Backman
Assignee (at issue)
Consortium für elektrochemische Industrie 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.