Granted Patent
Utility
US 6,690,899 · App. 10/080,215
Conductive fiber brush cleaner having separate detoning and scavenging zones
Inventors:
Kenneth J. Brown, George D. Gross, Joseph Kwiatkowski, Francisco L. Ziegelmuller
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Feb 21, 2002
Inventors
Kenneth J. Brown
George D. Gross
Joseph Kwiatkowski
Francisco L. Ziegelmuller
Assignee (at issue)
NexPress Solutions 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.