Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811778 | Method of manufacturing a metal article by the lost wax casting process | Joseph Martin, Peter E. Rose, John Terry | 1989-03-14 |
| 4810312 | Treatment of superalloy surfaces | — | 1989-03-07 |