Granted Patent
Utility
US 6,219,651 · App. 09/216,581
Protection of transaction data
Inventors:
Hermann Bublitz, Chris Holloway, Adam Newth
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Dec 18, 1998
Inventors
Hermann Bublitz
Chris Holloway
Adam Newth
Assignee (at issue)
International Business Machines 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.