Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338127 | Addition and measurement of gases dissolved in molten metals | James E. Simpson | 1982-07-06 |
| 4331023 | Addition and measurement of gases dissolved in molten metals | James E. Simpson | 1982-05-25 |