Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9932931 | Composite cylinder block of an I.C. engine | Steve Jones, Ian Shilling | 2018-04-03 |
| 5413843 | Inkable sheet | Stephen Mann, Roger N. Barker, Stephen P. Corr | 1995-05-09 |
| 5102717 | Inkable sheet | Alan Butters, Roger N. Barker | 1992-04-07 |
| 4988572 | Coating composition | Alan Butters | 1991-01-29 |
| 4902577 | Inkable sheet | Alan Butters, Roger N. Barker | 1990-02-20 |
| 4857568 | Coating composition | Alan Butters | 1989-08-15 |