Granted Patent
Utility
US 5,089,973 · App. 07/378,106
Programmable logic cell and array
Inventor:
Frederick Curtis Furtek
Patented Case
View Patent ↗
Granted: Feb 18, 1992
Filed: Jul 11, 1989
Inventor
Frederick Curtis Furtek
Assignees (at issue)
Apple Computer Inc.
Concurrent Logic, Inc.
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.