Assignee
LEIGHTON FRANK T
US·3 granted patents·980 citations·filing 1988–1993
Top patents by PatentIndex Score
3 records- 0195US4879747AMethod and system for personal identificationLEIGHTON FRANK T·Filed 1988·Granted Nov 7, 1989·436 cites·26 claims
- 0293US4995081AMethod and system for personal identification using proofs of legitimacyLEIGHTON FRANK T·Filed 1989·Granted Feb 19, 1991·296 cites·17 claims
- 0375US5351302AMethod for authenticating objects identified by images or other identifying informationLEIGHTON FRANK T·Filed 1993·Granted Sep 27, 1994·248 cites·9 claims
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