Granted Patent
Utility
US 4,828,748 · App. 07/069,466
Thickened alkali metal hypochlorite compositions
Inventor:
Eugene Hoffman
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Jul 2, 1987
Inventor
Eugene Hoffman
Assignee (at issue)
The Drackett Company
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.