DH

David Hirschman

CH Connected Holdings: 5 patents #2 of 11Top 20%
PH Phoenix: 1 patents #36 of 95Top 40%
📍 Sharon, MA: #207 of 848 inventorsTop 25%
🗺 Massachusetts: #20,307 of 88,656 inventorsTop 25%
Overall (All Time): #878,897 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6754827 Secure File Archive through encryption key management David Cane, Philip Speare, Lev Vaitzblit 2004-06-22
6157931 Database/template driven file selection for backup programs David Cane, Philip Speare, Lev Vaitzblit 2000-12-05
6101507 File comparison for data backup and file synchronization David Cane, Philip Speare, Lev Vaitzblit, Howard Marson 2000-08-08
5940507 Secure file archive through encryption key management David Cane, Philip Speare, Lev Vaitzblit 1999-08-17
5765173 High performance backup via selective file saving which can perform incremental backups and exclude files and uses a changed block signature list David Cane 1998-06-09
5416840 Software catalog encoding method and system David Cane 1995-05-16