Granted Patent
Utility
US 5,408,643 · App. 07/830,421
Watchdog timer with a non-masked interrupt masked only when a watchdog timer has been cleared
Inventor:
Tsuyoshi Katayose
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Feb 3, 1992
Inventor
Tsuyoshi Katayose
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.