Granted Patent
Utility
US 4,795,698 · App. 06/906,521
Magnetic-polymer particles
Inventors:
Charles S. Owen, John C. Silvia, Louis D'Angelo, Paul A. Liberti
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Sep 16, 1986
Inventors
Charles S. Owen
John C. Silvia
Louis D'Angelo
Paul A. Liberti
Assignee (at issue)
Immunicon Corp.
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.