Granted Patent
Utility
US 4,581,672 · App. 06/528,018
Internal high voltage (Vpp) regulator for integrated circuits
Inventor:
Elroy M. Lucero
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Aug 31, 1983
Inventor
Elroy M. Lucero
Assignee (at issue)
NATIONAL 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.