Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886637 | Presinter treatment for iron powder article formed with boride additive | William F. Jandeska, Jr., Carlo Ligotti | 1989-12-12 |
| 4849164 | Method of producing iron powder article | William F. Jandeska, Jr., Carlo Ligotti | 1989-07-18 |