Granted Patent
Utility
US 6,568,326 · App. 09/579,645
Traversing contact cleaning roller system
Inventors:
Frank C. Corrado, Gary R. Larsen, Ronald W. Sweet, James W. Fischer
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: May 26, 2000
Inventors
Frank C. Corrado
Gary R. Larsen
Ronald W. Sweet
James W. Fischer
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.