Granted Patent
Utility
US 5,759,976 · App. 08/898,013
Process for forming tableted high-caustic detergent
Inventors:
Kenneth Roach, Patricia Anne Anderson
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Jul 22, 1997
Inventors
Kenneth Roach
Patricia Anne Anderson
Assignee (at issue)
Diversey Lever, 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.