Granted Patent
Utility
US 6,754,657 · App. 09/939,180
Time stamping of database records
Inventor:
David B. Lomet
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Aug 24, 2001
Inventor
David B. Lomet
Assignee (at issue)
Microsoft 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.