Granted Patent
Utility
US 4,822,513 · App. 06/796,849
Cleaning/disinfecting process and composition
Inventor:
Michael P. Corby
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Nov 12, 1985
Inventor
Michael P. Corby
Assignee (at issue)
DIVERSEY, 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.