Granted Patent
Utility
US 4,606,002 · App. 06/523,527
B-tree structured data base using sparse array bit maps to store inverted lists
Inventors:
Amnon Waisman, Andrew M. Weiss, Jr.
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Aug 17, 1983
Inventors
Amnon Waisman
Andrew M. Weiss, Jr.
Assignee (at issue)
Wang Laboratories, 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.