Granted Patent
Utility
US 5,208,042 · App. 07/698,287
Stabilized mercuric oxide ointment compositions
Inventors:
Harry W. Gordon, Henry Boso Chan, Howard Brasch
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: May 10, 1991
Inventors
Harry W. Gordon
Henry Boso Chan
Howard Brasch
Assignee (at issue)
Del Laboratories, 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.