Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804588 | Multi-layer alloy steel wear structure and process for making same | Grant J. Murphy, Jr. | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804588 | Multi-layer alloy steel wear structure and process for making same | Grant J. Murphy, Jr. | 1989-02-14 |