Granted Patent
Utility
US 4,844,893 · App. 06/916,173
EX vivo effector cell activation for target cell killing
Inventors:
Cyril J. Honsik, Ralph A. Reisfeld
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Oct 7, 1986
Inventors
Cyril J. Honsik
Ralph A. Reisfeld
Assignee (at issue)
Scripps Clinic and Research Foundation
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.