Granted Patent
Utility
US 5,863,549 · App. 08/701,274
Methods for the sustained release of biologically active compounds
Inventor:
Ralph Tarantino
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Aug 22, 1996
Inventor
Ralph Tarantino
Assignee (at issue)
HOFFMANN-LA ROCHE INC.
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.