Granted Patent
Utility
US 6,378,154 · App. 09/501,500
Web cleaning system
Inventors:
Frank C. Corrado, James W. Fischer, Gary R. Larsen, Ron W. Sweet
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Feb 9, 2000
Inventors
Frank C. Corrado
James W. Fischer
Gary R. Larsen
Ron W. Sweet
Assignee (at issue)
Seratek, LLC
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.