Granted Patent
Utility
US 5,338,978 · App. 08/016,009
Full swing power down buffer circuit with multiple power supply isolation
Inventors:
David H. Larsen, James B. Boomer
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Feb 10, 1993
Inventors
David H. Larsen
James B. Boomer
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.