Granted Patent
Utility
US 6,039,920 · App. 09/072,381
Process for making rhenium-containing alloys
Inventors:
Michael Koch, Wulf Kock, David Francis Lupton, Friedhold Scholz
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: May 4, 1998
Inventors
Michael Koch
Wulf Kock
David Francis Lupton
Friedhold Scholz
Assignee (at issue)
W.C. Heraeus GmbH & Co. KG
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.