Granted Patent
Utility
US 6,818,421 · App. 09/843,007
DNA sequences coding for enzymes capable of facilitating the synthesis of linear &agr;-1,4 glucans in plants, fungi and microorganisms
Inventors:
Jens Kossmann, Volker Buttcher, Thomas Welsh
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Apr 26, 2001
Inventors
Jens Kossmann
Volker Buttcher
Thomas Welsh
Assignee (at issue)
Bayer Bioscience 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.