Granted Patent
Utility
US 6,223,377 · App. 09/035,934
Device for cleaning an elongated record medium
Inventors:
Hans Leisinger, George J. Rowland, Colin F. Mossman
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Mar 2, 1998
Inventors
Hans Leisinger
George J. Rowland
Colin F. Mossman
Assignee (at issue)
Deluxe Laboratories 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.