Granted Patent
Utility
US 5,773,019 · App. 08/534,854
Implantable controlled release device to deliver drugs directly to an internal portion of the body
Inventors:
Paul Ashton, Paul A. Pearson
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Sep 27, 1995
Inventors
Paul Ashton
Paul A. Pearson
Assignee (at issue)
UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION
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.