Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311583 | International priority calling system with callback features | Albert Friedes, Paramdeep S. Sahni, Walter Paul Zahray | 1994-05-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311583 | International priority calling system with callback features | Albert Friedes, Paramdeep S. Sahni, Walter Paul Zahray | 1994-05-10 |