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Crypteks, Inc has a few patents (mainly dealing with network security), but nothing patented for the USB key. http://1.usa.gov/14l68Uj http://1.usa.gov/14l68Uj

• UVB-76 13y ago
  Does that database display pending patents? It seems to me they are claiming to have patents pending.
  • wmf 13y ago
    I don't see any relevant applications in the database, but applications are only published ~18 months after filing so there may (barely) be some lurking.