Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422359 | Brake shoe and internal shoe drum brake | — | 2002-07-23 |
| 6220401 | Brake and actuator assembly | Paul Roberts, Peter Sturgess | 2001-04-24 |
| 4674608 | Hydraulic damper | Steven Dowling | 1987-06-23 |
| 4259590 | Area measuring machine | Terence J. Pickering | 1981-03-31 |
| 4259591 | Area measuring machine | Terence J. Pickering | 1981-03-31 |
| 4256968 | Area measuring machine | Terence J. Pickering | 1981-03-17 |