Granted Patent
Utility
US 6,240,531 · App. 09/447,397
System and method for computer operating system protection
Inventors:
Michael L. Spilo, Jonathan Daub
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Nov 22, 1999
Inventors
Michael L. Spilo
Jonathan Daub
Assignee (at issue)
Metawork 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.