Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6113652 | Communications network equipment capable of non-disruptive software upgrade | John L. Lysik, L. David Danenberg | 2000-09-05 |
| 5754785 | Communications network equipment | John L. Lysik, L. David Danenberg | 1998-05-19 |