Granted Patent
Utility
US 5,322,694 · App. 07/847,856
Pharmaceutical lozenges
Inventor:
David G. Sixsmith
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Mar 9, 1992
Inventor
David G. Sixsmith
Assignee (at issue)
Merrell Dow Pharmaceuticals 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.