Granted Patent
Utility
US 6,070,164 · App. 09/075,241
Database method and apparatus using hierarchical bit vector index structure
Inventor:
Paul P. Vagnozzi
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: May 9, 1998
Inventor
Paul P. Vagnozzi
Assignee (at issue)
Information Systems, Inc.
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.