Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904316 | Products with improved wear resistance/iron nitride layer | Donald F. Tranter | 1990-02-27 |
| 4793871 | Method of improving surface wear qualities of metal components | Donald F. Tranter | 1988-12-27 |
| 4713122 | Production of thin flat articles with hardened surfaces | Colin Smith | 1987-12-15 |
| 4710238 | Making of steel component | Donald F. Tranter | 1987-12-01 |
| 4596611 | Corrosion resistant steel components and method of manufacture thereof | John David Smith | 1986-06-24 |
| 4563223 | Corrosion resistant steel components and method of manufacture thereof | John David Smith, Colin Smith | 1986-01-07 |
| 4496401 | Corrosion resistant steel components and method of manufacture thereof | John David Smith | 1985-01-29 |