Granted Patent
Utility
US 6,681,226 · App. 09/681,152
Selective pessimistic locking for a concurrently updateable database
Inventors:
Robert Bretl, Ramachandran Venkatesh
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Jan 30, 2001
Inventors
Robert Bretl
Ramachandran Venkatesh
Assignee (at issue)
Gemstone 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.