Granted Patent
Utility
US 4,862,409 · App. 07/205,636
Asynchronous interrupt status bit circuit
Inventor:
Michael A. Nix
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Jun 13, 1988
Inventor
Michael A. Nix
Assignee (at issue)
Advanced Micro Devices, 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.