Granted Patent
Utility
US 6,499,033 · App. 09/578,776
Database method and apparatus using hierarchical bit vector index structure
Inventor:
Paul P. Vagnozzi
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: May 25, 2000
Inventor
Paul P. Vagnozzi
Assignee (at issue)
Isc Co., Ltd
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.