Granted Patent
Utility
US 4,961,161 · App. 07/271,832
Arithmetic processor performing mask and trap operations for exceptions
Inventor:
Shingo Kojima
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Nov 16, 1988
Inventor
Shingo Kojima
Assignee (at issue)
NEC 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.