Granted Patent
Utility
US 5,989,588 · App. 08/940,643
Methods and compositions for preventing and treating heartburn
Inventors:
Scott H. Korn, Gerard P. McNally, Joseph R. Luber, Tom S. Ells
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Sep 30, 1997
Inventors
Scott H. Korn
Gerard P. McNally
Joseph R. Luber
Tom S. Ells
Assignees (at issue)
MERCK & CO., INC.
McNeil-PPC, 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.