Granted Patent
Utility
US 6,182,328 · App. 09/456,790
Mobile cleaning system
Inventor:
Michael J. Roden
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Dec 8, 1999
Inventor
Michael J. Roden
Assignee (at issue)
Professional Chemicals Corporation
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.