Granted Patent
Utility
US 6,006,843 · App. 09/173,398
Contact cleaning roller oscillated by a barrel cam
Inventors:
Frank C. Corrado, James W. Fischer, Gary R. Larsen, Ronald W. Sweet
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Oct 15, 1998
Inventors
Frank C. Corrado
James W. Fischer
Gary R. Larsen
Ronald W. Sweet
Assignee (at issue)
Seratec, 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.