Granted Patent
Utility
US 6,632,457 · App. 09/134,287
Composite hydrogel drug delivery systems
Inventor:
Amarpreet S. Sawhney
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Aug 14, 1998
Inventor
Amarpreet S. Sawhney
Assignee (at issue)
Incept, 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.