Granted Patent
Utility
US 5,869,103 · App. 08/750,738
Polymer microparticles for drug delivery
Inventors:
Ming-Kung Yeh, Alan Coombes, Paul George Jenkins, Stanley S. Davis
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Apr 4, 1997
Inventors
Ming-Kung Yeh
Alan Coombes
Paul George Jenkins
Stanley S. Davis
Assignee (at issue)
Danbiosyst UK Limited
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.