Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6587832 | Market pay system | Alexander Dukhovny, David Meredith, David Ellis | 2003-07-01 |
| 5548584 | Telephone switching system with switched line circuits | Bernard E. Bleuer | 1996-08-20 |