Granted Patent
Utility
US 5,424,271 · App. 08/225,324
Strains of Drechslera spp., weed control compositions containing the same and methods for controlling weeds using the same
Inventors:
Kenichi Yamaguchi, Masanobu Arita, Masatoshi Gohbara, Tatsuo Shinmi, Keiko Fukui, Emi Tohyama
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Apr 8, 1994
Inventors
Kenichi Yamaguchi
Masanobu Arita
Masatoshi Gohbara
Tatsuo Shinmi
Keiko Fukui
Emi Tohyama
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.