Granted Patent
Utility
US 6,042,779 · App. 09/126,517
Extrusion fabrication process for discontinuous carbide particulate metal matrix composites and super hypereutectic A1/Si
Inventors:
Edward L. Oschmann, Thomas G. Haynes, III
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Jul 30, 1998
Inventors
Edward L. Oschmann
Thomas G. Haynes, III
Assignee (at issue)
Reynolds Metals Company
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.