Granted Patent
Utility
US 4,386,389 · App. 06/273,847
Single layer burn-in tape for integrated circuit
Inventor:
Robert J. Proebsting
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Sep 8, 1981
Inventor
Robert J. Proebsting
Assignee (at issue)
Mostek Corporation
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.