Granted Patent
Utility
US 6,389,575 · App. 09/345,585
Data integrity checking apparatus
Inventor:
Robin Hill
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Jun 30, 1999
Inventor
Robin Hill
Assignee (at issue)
Lucas Industries public limited company
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.