Granted Patent
Utility
US 5,723,027 · App. 08/640,756
Method for preparing a powder in a plasma arc and device for carrying out said method
Inventor:
Bernard Serole
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: May 7, 1996
Inventor
Bernard Serole
Assignee (at issue)
W. C. Heraeus GmbH
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.