Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321959 | Electromagnetic casting shape control by differential screening and inductor contouring | John C. Yarwood, Derek E. Tyler, Gerhart K. Gaule | 1982-03-30 |
| 4319625 | Electromagnetic casting process utilizing an active transformer-driven copper shield | Peter J. Kindlmann, John C. Yarwood, Derek E. Tyler | 1982-03-16 |