Granted Patent
Utility
US 5,946,700 · App. 08/961,747
Method and apparatus for preserving non-current information that can be overwritten in a computer file
Inventors:
Gregory Pongracz, Tuomas Pystynen
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Oct 31, 1997
Inventors
Gregory Pongracz
Tuomas Pystynen
Assignee (at issue)
Oracle 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.