Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873153 | Hot-dip galvanized coating for steel | — | 1989-10-10 |
| 4828614 | Ferrophosphorous composition having improved conductivity and passivation resistance | Gerald L. Evarts | 1989-05-09 |