Granted Patent
Utility
US 4,935,647 · App. 07/259,830
Group III - V semiconductor devices with improved switching speeds
Inventor:
William Douglas Larkins
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Oct 19, 1988
Inventor
William Douglas Larkins
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.