Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31972 | Casting mold with constricting device | John R. Nieman | 1985-08-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31972 | Casting mold with constricting device | John R. Nieman | 1985-08-20 |