Granted Patent
Utility
US 5,745,896 · App. 08/612,638
Referential integrity in a relational database management system
Inventor:
Narayanan Vijaykumar
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Mar 8, 1996
Inventor
Narayanan Vijaykumar
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.