Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558591 | Engine position transducer means | John H. Francis, Clive I. Perkins | 1985-12-17 |
| 4481844 | Transmission system | John M. Ironside, Clive R. Sainsbury, Paul Weston | 1984-11-13 |