Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365582 | Differential pressure signal device | William E. Ruehl | 1982-12-28 |
| D262864 | Screw anchor | John N. Schavilje | 1982-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365582 | Differential pressure signal device | William E. Ruehl | 1982-12-28 |
| D262864 | Screw anchor | John N. Schavilje | 1982-02-02 |