Granted Patent
Utility
US 5,870,752 · App. 08/915,804
Incremental maintenance of an approximate histogram in a database system
Inventors:
Phillip B. Gibbons, Yossi Matias, Viswanath Poosala, Andrew Witkowski
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Aug 21, 1997
Inventors
Phillip B. Gibbons
Yossi Matias
Viswanath Poosala
Andrew Witkowski
Assignees (at issue)
LUCENT TECHNOLOGIES INC.
NCR 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.