Granted Patent
Utility
US 4,839,155 · App. 07/094,507
Iodotamoxifen derivatives and use for estrogen receptor-positive breast cancer detection and therapy
Inventor:
Raymond McCague
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Sep 9, 1987
Inventor
Raymond McCague
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.