Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331474 | Ferritic stainless steel having toughness and weldability | — | 1982-05-25 |
| 4295769 | Copper and nitrogen containing austenitic stainless steel and fastener | Joseph A. Douthett | 1981-10-20 |
| 4261739 | Ferritic steel alloy with improved high temperature properties | Joseph A. Douthett, D. Cameron Perry | 1981-04-14 |