Granted Patent
Utility
US 5,144,410 · App. 07/702,151
Ohmic contact for III-V semiconductor devices
Inventor:
David A. Johnson
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: May 14, 1991
Inventor
David A. Johnson
Assignee (at issue)
Vitesse Semiconductor 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.