Granted Patent
Utility
US 5,750,867 · App. 08/351,413
Maintenance of male-sterile plants
Inventors:
Mark E. Williams, Jan Leemans
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Feb 8, 1995
Inventors
Mark E. Williams
Jan Leemans
Assignee (at issue)
Plant Genetic Systems N.V.
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.