Granted Patent
Utility
US 4,781,968 · App. 06/834,912
Micro-electronics devices and methods of manufacturing same
Inventor:
David Kellerman
Patented Case
View Patent ↗
Granted: Nov 1, 1988
Filed: Feb 28, 1986
Inventor
David Kellerman
Assignee (at issue)
Digital Equipment 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.