Granted Patent
Utility
US 5,643,591 · App. 08/230,407
Solid dosage forms
Inventors:
Dev K. Mehra, Nagui Ibrahim, Edwin G. Fleck, Jr.
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Apr 20, 1994
Inventors
Dev K. Mehra
Nagui Ibrahim
Edwin G. Fleck, Jr.
Assignee (at issue)
FMC CORPORATION
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.