Granted Patent
Utility
US 4,869,902 · App. 07/191,836
Antacid composition
Inventors:
John D. Buehler, Joseph R. Luber, Wayne M. Grim
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: May 9, 1988
Inventors
John D. Buehler
Joseph R. Luber
Wayne M. Grim
Assignee (at issue)
Rorer Pharmaceutical 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.