Granted Patent
Utility
US 6,491,949 · App. 09/755,827
Osmotic device within an osmotic device
Inventors:
Joaquina Faour, Marcelo A. Coppari
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Jan 4, 2001
Inventors
Joaquina Faour
Marcelo A. Coppari
Assignee (at issue)
Osmotica 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.