Granted Patent
Utility
US 6,527,824 · App. 09/883,798
Method for manufacturing tungsten-based materials and articles by mechanical alloying
Inventor:
Darryl D. Amick
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Jun 18, 2001
Inventor
Darryl D. Amick
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.