Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795877 | Fault detecting device for welded pipe joints | Eric Bridgstock, David M. A. Kenworthy, David A. Bilton | 1989-01-03 |
| 4486650 | Electro-fusion fitting and control apparatus therefor | Eric Bridgstock, David M. A. Kenworthy, David A. Bilton | 1984-12-04 |