Granted Patent
Utility
US 6,014,994 · App. 09/152,781
Plant for cleaning a filling plant
Inventor:
Michael Schmidt
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Sep 14, 1998
Inventor
Michael Schmidt
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.