Granted Patent
Utility
US 6,558,447 · App. 09/445,331
Metal powders produced by the reduction of the oxides with gaseous magnesium
Inventors:
Leonid N. Shekhter, Terrance B. Tripp, Leonid Lanin, Karlheinz Reichert, Oliver Thomas, Joachim Vieregge
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Mar 16, 2001
Inventors
Leonid N. Shekhter
Terrance B. Tripp
Leonid Lanin
Karlheinz Reichert
Oliver Thomas
Joachim Vieregge
Assignee (at issue)
H.C. STARCK 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.