Granted Patent
Utility
US 5,866,099 · App. 08/846,575
Magnetic-polymer particles
Inventors:
Charles S. Owen, John C. Silvia, Louis D'Angelo, Paul A. Liberti
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Apr 30, 1997
Inventors
Charles S. Owen
John C. Silvia
Louis D'Angelo
Paul A. Liberti
Assignee (at issue)
NYCOMED IMAGING AS
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.