Granted Patent
Utility
US 4,366,410 · App. 06/209,242
Vacuum-tight assembly particularly for a discharge tube
Inventor:
Carl F. Buhrer
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Nov 21, 1980
Inventor
Carl F. Buhrer
Assignee (at issue)
GTE Laboratories Incorporated
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.