Granted Patent
Utility
US 4,843,313 · App. 06/686,324
Integrated circuit package carrier and test device
Inventor:
R. Thomas Walton
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Dec 26, 1984
Inventor
R. Thomas Walton
Assignee (at issue)
Hughes Aircraft 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.