Granted Patent
Utility
US 5,490,985 · App. 08/210,645
Extended duration antacid product
Inventors:
Donald F. H. Wallach, Rajiv Mathur, Jean Philippot, Surendra M. Kumar
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Mar 18, 1994
Inventors
Donald F. H. Wallach
Rajiv Mathur
Jean Philippot
Surendra M. Kumar
Assignee (at issue)
Micro-Pak, 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.