Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5076410 | Friction facing material and carrier assembly | David C. Williams | 1991-12-31 |
| 4858741 | Friction clutch for a vehicle | Robert J. Ball, Denzil J. W. Symonds | 1989-08-22 |
| 4821860 | Friction facing material and carrier assembly | Peter F. Crawford, Graham R. Bicknell | 1989-04-18 |
| 4770282 | Diaphragm spring clutch cover assembly | Peter A. Romer, Steven Trotman | 1988-09-13 |
| 4744448 | Diaphragm spring clutch cover assembly | Peter A. Romer, Steven Trotman | 1988-05-17 |
| 4697684 | Friction clutch driven plate | Peter F. Crawford | 1987-10-06 |
| 4691815 | Friction clutch and clutch release mechanism for a vehicle | Derek Hodgson | 1987-09-08 |
| 4678071 | Diaphragm spring clutch cover assembly | Robert J. Ball | 1987-07-07 |
| 4676357 | Diaphragm spring clutch cover assembly | Steven Trotman | 1987-06-30 |
| 4632237 | Friction clutch for a vehicle | Derek Hodgson | 1986-12-30 |
| 4613030 | Friction clutch driven plate | Robert J. Ball, Denzil J. W. Symonds | 1986-09-23 |
| 4562910 | Diaphragm spring clutch cover assemblies | — | 1986-01-07 |
| 4352420 | Friction clutch driven plate | — | 1982-10-05 |
| 4339023 | Twin plate friction clutches | — | 1982-07-13 |