Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832765 | Duplex alloy | David Englehart, James W. Martin | 1989-05-23 |
| 4818484 | Austenitic, non-magnetic, stainless steel alloy | John H. Magee, Jr., Norman B. Schmidt | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832765 | Duplex alloy | David Englehart, James W. Martin | 1989-05-23 |
| 4818484 | Austenitic, non-magnetic, stainless steel alloy | John H. Magee, Jr., Norman B. Schmidt | 1989-04-04 |