Granted Patent
Utility
US 5,428,147 · App. 08/091,538
Octopine T-DNA promoters
Inventors:
Richard F. Barker, John D. Kemp
Patented Case
View Patent ↗
Granted: Jun 27, 1995
Filed: Jul 13, 1993
Inventors
Richard F. Barker
John D. Kemp
Assignee (at issue)
Mycogen Plant Science, Inc.
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.