Granted Patent
Utility
US 6,025,546 · App. 08/894,440
Method to obtain male sterile plants
Inventors:
Frank Michiels, Johan Botterman, Marc Cornelissen
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Nov 12, 1997
Inventors
Frank Michiels
Johan Botterman
Marc Cornelissen
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.