Granted Patent
Utility
US 5,837,024 · App. 08/980,072
Process for the production of quartz glass bodies
Inventor:
Heinz Fabian
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Nov 26, 1997
Inventor
Heinz Fabian
Assignee (at issue)
HERAEUS QUARZGLAS 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.