Granted Patent
Utility
US 4,992,969 · App. 07/381,077
Integer division circuit provided with a overflow detector circuit
Inventor:
Hitoshi Yamahata
Patented Case
View Patent ↗
Granted: Feb 12, 1991
Filed: Jul 18, 1989
Inventor
Hitoshi Yamahata
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.