Granted Patent
Utility
US 6,444,055 · App. 09/284,350
Composite material with a high proportion of intermetallic phases, preferably for friction bodies
Inventors:
Rainhard Laag, Gunther Schwarz, Manfred Heinritz
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Aug 9, 1999
Inventors
Rainhard Laag
Gunther Schwarz
Manfred Heinritz
Assignee (at issue)
Schwabische Huttenwerke GmbH
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.