Membership
Tour
Register
Log in
Sergey Ignatchenko
Follow
Person
Toronto, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 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