Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912633 | Mains signalling systems | Robert Joseph Allison | 1999-06-15 |
| 5731765 | Mains signalling systems | Robert Joseph Allison, Paul Martin Moore | 1998-03-24 |
| 5617329 | Mains phase determination | Robert Joseph Allison, Stephen D. Farnsworth, Edward J. Fisher | 1997-04-01 |