Granted Patent
Utility
US 5,336,504 · App. 08/064,401
Diltiazem formulations and methods of treatment
Inventors:
Edward J. Geoghegan, Seamus Mulligan, Donald E. Panoz
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: May 19, 1993
Inventors
Edward J. Geoghegan
Seamus Mulligan
Donald E. Panoz
Assignee (at issue)
ELAN CORPORATION PLC
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.