IP Library Granted Patent US 5,457,747
Granted Patent Utility
US 5,457,747 · App. 08/181,697

Anti-fraud verification system using a data card

Inventors: Jerome Drexler, Christopher J. Dyball
Patented Case View Patent ↗
Granted: Oct 10, 1995 Filed: Jan 14, 1994
Inventors
Jerome Drexler
Christopher J. Dyball
Assignee (at issue)
Drexler Technology Corporation

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Quick Facts
Patent No.
US 5,457,747
App. No.
08/181,697
Filed
1994-01-14
Granted
1995-10-10
Kind
A