Granted Patent
Utility
US 5,894,010 · App. 08/760,642
Optimized gray cast iron plate alloy for utility vehicle brake disks
Inventors:
Joachim Porkert, Wolfgang Lotz
Patented Case
View Patent ↗
Granted: Apr 13, 1999
Filed: Dec 4, 1996
Inventors
Joachim Porkert
Wolfgang Lotz
Assignee (at issue)
MERCEDES-BENZ GROUP AG
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.