Granted Patent
Utility
US 4,958,009 · App. 07/069,867
Anti-human ovarian cancer immunotoxins and methods of use thereof
Inventors:
Michael J. Bjorn, David Fitzgerald, Arthur E. Frankel, Walter J. Laird, Ira H. Pastan, David B. Ring, Mark C. Willingham, Jeffrey L. Windelhake
Patented Case
View Patent ↗
Granted: Sep 18, 1990
Filed: Jul 6, 1987
Inventors
Michael J. Bjorn
David Fitzgerald
Arthur E. Frankel
Walter J. Laird
Ira H. Pastan
David B. Ring
Mark C. Willingham
Jeffrey L. Windelhake
Assignee (at issue)
Cetus 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.