Granted Patent
Utility
US 5,644,066 · App. 08/136,023
Methods for introducing a fertility restorer gene and for producing F.sub.1
Inventors:
Takako Sakai, Hongjun Liu, Hiroyuki Kurihara, Jun Imamura
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Oct 14, 1993
Inventors
Takako Sakai
Hongjun Liu
Hiroyuki Kurihara
Jun Imamura
Assignee (at issue)
MITSUBISHI CHEMICAL CORPORATION
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.