Granted Patent
Utility
US 6,305,505 · App. 09/491,743
Reduced friction wet disc brake
Inventors:
Paul M. Johnston, Yngve Naerheim
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Jan 27, 2000
Inventors
Paul M. Johnston
Yngve Naerheim
Assignee (at issue)
Meritor Heavy Vehicle Systems Limited
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.