Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869929 | Process for preparing sic protective films on metallic or metal impregnated substrates | Alejandro L. Cabrera, Ronald Pierantozzi | 1989-09-26 |
| 4822642 | Method of producing silicon diffusion coatings on metal articles | Alejandro L. Cabrera, Robert A. Miller, Ronald Pierantozzi, John N. Armor | 1989-04-18 |