Granted Patent
Utility
US 5,734,887 · App. 08/536,737
Method and apparatus for logical data access to a physical relational database
Inventors:
Denis G. Kingberg, Ellen Margaret McCubbin, William John Martin
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Sep 29, 1995
Inventors
Denis G. Kingberg
Ellen Margaret McCubbin
William John Martin
Assignee (at issue)
International Business Machines 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.