Granted Patent
Utility
US 6,470,331 · App. 09/454,730
Very large table reduction in parallel processing database systems
Inventors:
James N. Chen, Chi-Kim Hoang, Mark A. Hodgens, Fred S. Kaufmann, Rolf Günter Erich Stegelmann
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Dec 4, 1999
Inventors
James N. Chen
Chi-Kim Hoang
Mark A. Hodgens
Fred S. Kaufmann
Rolf Günter Erich Stegelmann
Assignee (at issue)
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.