Granted Patent
Utility
US 6,170,921 · App. 09/234,578
Magnetostrictive brake actuation mechanism
Inventor:
Yngve Naerheim
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Jan 21, 1999
Inventor
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.