Igor L. Tantsorov

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Thornhill, CA

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Patents Grantslast 30 patents

Information Patent Grant
Secure document management system
- Patent number 6,978,366
- Issue date Dec 20, 2005
- International Business Machines Corporation
- Sergey Ignatchenko
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Electronic presentation of invoices using a trusted document reposi...
- Publication number 20030036999
- Publication date Feb 20, 2003
- International Business Machines Corporation
- Lev Mirlas
- G06 - COMPUTING CALCULATING COUNTING