Granted Patent
Utility
US 5,635,599 · App. 08/225,224
Fusion proteins comprising circularly permuted ligands
Inventors:
Ira H. Pastan, Robert Kreitman, Raj K. Puri
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Apr 8, 1994
Inventors
Ira H. Pastan
Robert Kreitman
Raj K. Puri
Assignee (at issue)
Department of Health and Human Services
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.