SpectraDisc Corporation
Patent Applications and Registrations
Patent applications and USPTO patent grants for SpectraDisc Corporation.The latest application filed is for "methods and apparatus for rendering an optically encoded medium unreadable".
- SpectraDisc Corporation - Providence RI
- SpectraDisc Corp. - Providence RI
- SpectraDisc Corporation -
| Patent | Date |
|---|---|
| Methods and apparatus for rendering an optically encoded medium unreadable and tamper-resistant Grant 6,531,262 - Lawandy , et al. March 11, 2 | 2003-03-11 |
| Methods and apparatus for rendering an optically encoded medium unreadable App 20020076647 - Lawandy, Nabil M. ; et al. | 2002-06-20 |
| Machine-readable optical disc with reading-inhibit agent Grant 6,343,063 - Rollhaus , et al. January 29, 2 | 2002-01-29 |
| Methods and apparatus for rendering an optically encoded medium unreadable Grant 6,338,933 - Lawandy , et al. January 15, 2 | 2002-01-15 |
| Machine-readable optical disc with reading-inhibit agent App 20010046204 - Rollhaus, Philip E. ; et al. | 2001-11-29 |
| Machine-readable optical disc with reading-inhibit agent Grant 6,011,772 - Rollhaus , et al. January 4, 2 | 2000-01-04 |
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