Granted Patent
Utility
US 5,091,661 · App. 07/587,075
Methods and apparatus for reducing coupling noise in programmable logic devices
Inventor:
David Chiang
Patented Case
View Patent ↗
Granted: Feb 25, 1992
Filed: Sep 24, 1990
Inventor
David Chiang
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.