Granted Patent
Utility
US 5,061,864 · App. 07/540,214
Monophase logic
Inventor:
Alan C. Rogers
Patented Case
View Patent ↗
Granted: Oct 29, 1991
Filed: Jun 18, 1990
Inventor
Alan C. Rogers
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.