Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550810 | Disc brakes for vehicles | Roy Campbell | 1985-11-05 |
| 4549636 | Disc brakes for vehicles | Roy E. Edwards | 1985-10-29 |
| 4547967 | Vehicle hydraulic braking system | Desmond H. J. Reynolds, Roy Campbell | 1985-10-22 |
| 4534172 | Master cylinder assembly for a vehicle hydraulic braking system | Graham J. Gornall | 1985-08-13 |
| 4508198 | Spreading type disc brakes for vehicles | Graham J. Gornall, David Parry | 1985-04-02 |
| 4488405 | Master cylinder assembly for a vehicle hydraulic braking system | Roy Campbell | 1984-12-18 |
| 4422533 | Sealing means for hydraulic brake actuators | — | 1983-12-27 |
| 4408805 | Control valve assemblies for hydraulic braking systems | Roy E. Edwards | 1983-10-11 |
| 4358002 | Spreading disc brakes for vehicles | Robert A. Anderson | 1982-11-09 |
| 4231224 | Master cylinder assemblies for vehicle hydraulic braking systems | Roy E. Edwards, John Rees | 1980-11-04 |