Granted Patent
Utility
US 6,129,997 · App. 09/266,142
Method for manufacturing a welded shaped body dispersion-hardened platinum material
Inventors:
Franz Braun, Wulf Kock, David Francis Lupton
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Mar 10, 1999
Inventors
Franz Braun
Wulf Kock
David Francis Lupton
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.