Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334938 | Inhibited annealing of ferrous metals containing chromium | Thomas L. Ellison | 1982-06-15 |
| 4317687 | Carburizing process utilizing atmospheres generated from nitrogen-ethanol based mixtures | Jelle H. Kaspersma | 1982-03-02 |