Granted Patent
Utility
US 5,273,203 · App. 08/038,418
Ceramic-to-conducting-lead hermetic seal
Inventor:
Harold F. Webster
Patented Case
View Patent ↗
Granted: Dec 28, 1993
Filed: Mar 29, 1993
Inventor
Harold F. Webster
Assignee (at issue)
General Electric Company
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.