Granted Patent
Utility
US 5,629,101 · App. 08/409,590
Multimaterial disk for high-energy braking
Inventor:
Michel Watremez
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Mar 24, 1995
Inventor
Michel Watremez
Assignee (at issue)
GEC Alsthom Transport SA
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.