Granted Patent
Utility
US 6,084,073 · App. 08/462,167
Recombinant ricin toxin
Inventor:
Michael Piatak, Jr.
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Jun 5, 1995
Inventor
Michael Piatak, Jr.
Assignee (at issue)
Chiron 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.