Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774783 | Liquid piston stirling engine with linear generator | — | 2020-09-15 |
| 7660415 | Method and apparatus for controlling access to storage media | Richard Selinfreund, Jeffrey Drew, Rakesh Vig | 2010-02-09 |
| 7486790 | Method and apparatus for controlling access to storage media | Richard Selinfreund, Jeffrey Drew, Rakesh Vig | 2009-02-03 |
| 7303803 | Copy-protected optical media and method of manufacture thereof | Jeffrey Drew, Richard Selinfreund, Rakesh Vig | 2007-12-04 |
| 6838145 | Copy-protected optical media and method of manufacture thereof | Jeffrey Drew, Richard Selinfreund, Rakesh Vig | 2005-01-04 |
| 6638593 | Copy-protected optical media and method of manufacture thereof | Richard Selinfreund, Jeffrey Drew, Rakesh Vig | 2003-10-28 |