Granted Patent
Utility
US 4,735,913 · App. 06/860,139
Self-aligned fabrication process for GaAs MESFET devices
Inventor:
John Hayes
Patented Case
View Patent ↗
Granted: Apr 5, 1988
Filed: May 6, 1986
Inventor
John Hayes
Assignee (at issue)
Bell Communications Research, 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.