Granted Patent
Utility
US 4,687,989 · App. 06/667,182
CMOS powerless rom code mask option select
Inventors:
Harold L. Davis, Robert D. Lee
Patented Case
View Patent ↗
Granted: Aug 18, 1987
Filed: Nov 1, 1984
Inventors
Harold L. Davis
Robert D. Lee
Assignee (at issue)
Thomson Components-Moster 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.