Granted Patent
Utility
US 6,142,076 · App. 09/137,892
Apparatus and method for cleaning a web substrate
Inventors:
Frank C. Corrado, James W. Fischer, Gary R. Larsen, Ronald W. Sweet
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Aug 20, 1998
Inventors
Frank C. Corrado
James W. Fischer
Gary R. Larsen
Ronald W. Sweet
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.