Granted Patent
Utility
US 6,402,891 · App. 09/779,070
System for cleaning an apparatus
Inventors:
Vikram Asher, Edward R. Bowden
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Feb 8, 2001
Inventors
Vikram Asher
Edward R. Bowden
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.