Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8049636 | System, methods and apparatus for monitoring via a hand held tool | Mark-Paul Buckingham, John Paul McKeown, Tim Kent, Charles Keepax, Donald Black | 2011-11-01 |
| 5761073 | Programmable apparatus for synchronizing frequency and phase of two voltage sources | — | 1998-06-02 |
| 5640060 | Apparatus for synchronizing frequency and phase of two voltage sources | — | 1997-06-17 |