Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534196 | Refractory metal coated articles for use in molten metal environments | — | 2003-03-18 |
| 4257741 | Turbine engine blade with airfoil projection | John J. Grisik, John W. Zelahy | 1981-03-24 |
| 4215181 | Fretting fatique inhibiting method for titanium | — | 1980-07-29 |