Granted Patent
Utility
US 5,941,290 · App. 09/026,197
Cleaning system for industrial uses
Inventor:
Clifford E. Vaughn, Jr.
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Feb 19, 1998
Inventor
Clifford E. Vaughn, Jr.
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.