Granted Patent
Utility
US 4,933,055 · App. 07/063,567
Method for production of radiopharmaceuticals using ultrasound
Inventor:
Dennis W. Wester
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Jun 17, 1987
Inventor
Dennis W. Wester
Assignee (at issue)
MALLINCKRODT LLC
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.