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David Usher
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London, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Method for generating a unique and consistent signal pattern for id...
Patent number
6,993,161
Issue date
Jan 31, 2006
Retinal Technologies, L.L.C.
John Marshall
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for generating a unique and consistent signal pattern for id...
Patent number
6,757,409
Issue date
Jun 29, 2004
Retinal Technologies, Inc.
John Marshall
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for generating a unique consistent signal pattern for identi...
Patent number
6,453,057
Issue date
Sep 17, 2002
Retinal Technologies, L.L.C.
John Marshall
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Method for generating a unique and consistent signal pattern for id...
Publication number
20040037453
Publication date
Feb 26, 2004
John Marshall
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method for generating a unique and consistent signal pattern for id...
Publication number
20020097895
Publication date
Jul 25, 2002
John Marshall
G06 - COMPUTING CALCULATING COUNTING