Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912633 | Mains signalling systems | David Roger Scholefield | 1999-06-15 |
| 5731765 | Mains signalling systems | Paul Martin Moore, David Roger Scholefield | 1998-03-24 |
| 5617329 | Mains phase determination | Stephen D. Farnsworth, Edward J. Fisher, David Roger Scholefield | 1997-04-01 |
| 4918693 | Apparatus for physically locating faulty electrical components | Joseph L. Ardini, Jr. | 1990-04-17 |
| 4888687 | Memory control system | Brian Lefsky | 1989-12-19 |