Granted Patent
Utility
US 6,040,271 · App. 09/026,857
Selective herbicides for the cultivation of sugar cane
Inventors:
Wolfgang Thielert, Gerhard Bohne, Klaus-Helmut Muller
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Feb 20, 1998
Inventors
Wolfgang Thielert
Gerhard Bohne
Klaus-Helmut Muller
Assignee (at issue)
Bayer Aktiengesellschaft
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.