Granted Patent
Utility
US 6,257,681 · App. 09/373,550
Braking system
Inventor:
Michael J. Bartram
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Aug 13, 1999
Inventor
Michael J. Bartram
Assignee (at issue)
Dunlop Aerospace 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.