Granted Patent
Utility
US 5,459,110 · App. 08/118,842
Highly chemically and thermally resistant borosilicate glass which is capable of forming a seal with tungsten
Inventor:
Peter Brix
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Sep 10, 1993
Inventor
Peter Brix
Assignee (at issue)
Schott Glaswerke
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.