Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8130751 | Active user registry | David Arthur Berkley, Lawrence R. Rabiner | 2012-03-06 |
| 7408920 | Active user registry | David Arthur Berkley, Lawrence R. Rabiner | 2008-08-05 |
| 6546005 | Active user registry | David Arthur Berkley, Lawrence R. Rabiner | 2003-04-08 |
| 5727047 | Arrangement for interfacing a telephone device with a personal computer | Jon Louis Bentley, Greg E. Blonder, Paul Hutchison, Kevin M. Ow-Wing, Michael S. Raven +3 more | 1998-03-10 |
| 5706334 | Apparatus for providing a graphical control interface | Michael W. Balk, Myra L. Ensor, Blaise Heltai, Garrett Gayer Hodgson, Richard H. Janow +6 more | 1998-01-06 |