Granted Patent
Utility
US 4,454,524 · App. 05/884,060
Device having implantation for controlling gate parasitic action
Inventor:
Wendell Spence
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Mar 6, 1978
Inventor
Wendell Spence
Assignee (at issue)
NCR 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.