Granted Patent
Utility
US 4,331,253 · App. 06/243,389
Lid assembly for hermetic sealing of a semiconductor chip
Inventors:
Richard Gordon, John Ciallella
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Mar 13, 1981
Inventors
Richard Gordon
John Ciallella
Assignee (at issue)
Consolidated Refining Co., Inc.
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.