Granted Patent
Utility
US 5,490,965 · App. 08/315,057
Method for closing holes in ceramic substrates
Inventor:
Frank J. Christiansen
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Sep 29, 1994
Inventor
Frank J. Christiansen
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.