Granted Patent
Utility
US 5,277,906 · App. 07/897,157
Insecticidal composition of bacillus thuringiensis serovar israelensis, DSM 3435 and DSM 3440
Inventors:
Hans Zaehner, Konrad Bernhard, Harald Weisser
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Jun 11, 1992
Inventors
Hans Zaehner
Konrad Bernhard
Harald Weisser
Assignee (at issue)
Ciba-Geigy
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.