Granted Patent
Utility
US 6,583,945 · App. 09/183,874
Method for irreversibly write-securing a magnetic storage cartridge
Inventors:
Rafael Bar, Daniel Alfonsi
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Oct 30, 1998
Inventors
Rafael Bar
Daniel Alfonsi
Assignee (at issue)
IO-Mega Holding 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.