Granted Patent
Utility
US 5,672,985 · App. 08/574,351
Programmable logic array integrated circuits with carry and/or cascade rings
Inventor:
Fung Fung Lee
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Dec 18, 1995
Inventor
Fung Fung Lee
Assignee (at issue)
Altera 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.