Granted Patent
Utility
US 4,590,071 · App. 06/654,613
Human melanoma specific immunotoxins
Inventors:
Patrick J. Scannon, Lynn E. Spitler, Howard M. Lee, Russell T. Kawahata, Ronald P. Mischak
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Sep 25, 1984
Inventors
Patrick J. Scannon
Lynn E. Spitler
Howard M. Lee
Russell T. Kawahata
Ronald P. Mischak
Assignee (at issue)
Xoma Ltd.
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.