Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329562 | Method and device for improving the properties of thin steel plates | Christian Marique, Henri Bonnarens, Rene DeFraye, Adolphe A. Bragard | 1982-05-11 |
| 4322600 | Method and apparatus for forming microcavities on the surface of a rolling mill roll | — | 1982-03-30 |