Granted Patent
Utility
US 4,767,845 · App. 07/086,357
Synthesis of tumor antigenic determinant
Inventors:
Raymond U. Lemieux, Robert M. Ratcliffe, Donald A. Baker
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: Aug 17, 1987
Inventors
Raymond U. Lemieux
Robert M. Ratcliffe
Donald A. Baker
Assignee (at issue)
Chembiomed, 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.