Granted Patent
Utility
US 6,017,489 · App. 09/251,535
Method of densifying powder metal preforms
Inventors:
Richard Mark Woolf, Rajesh Parameswaran
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Feb 17, 1999
Inventors
Richard Mark Woolf
Rajesh Parameswaran
Assignee (at issue)
Federal-Mogul Worldwide, Inc.
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.