Granted Patent
Utility
US 5,897,830 · App. 08/761,391
P/M titanium composite casting
Inventors:
Stanley Abkowitz, Susan M. Abkowitz, Paul F. Weihrauch, Harold L. Heussi, Walter Zimmer
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Dec 6, 1996
Inventors
Stanley Abkowitz
Susan M. Abkowitz
Paul F. Weihrauch
Harold L. Heussi
Walter Zimmer
Assignee (at issue)
Dynamet Technology, 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.