Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349931 | Threading die couple | — | 1982-09-21 |
| 4327560 | Earth-embedded, temperature-stabilized heat exchanger | Vivian L. Leon | 1982-05-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349931 | Threading die couple | — | 1982-09-21 |
| 4327560 | Earth-embedded, temperature-stabilized heat exchanger | Vivian L. Leon | 1982-05-04 |