Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4311184 | Assembly for forming hollow foundry products | — | 1982-01-19 |
| 4291740 | Apparatus and method for heatless production of hollow items, for instance, foundry shell cores | — | 1981-09-29 |
| 4248288 | Fusion process for forming shell cores | — | 1981-02-03 |
| 4232726 | Process and core box assembly for heatless production of hollow items of mineral granular material | — | 1980-11-11 |
| 4204569 | Multi-core box apparatus for the manufacture of hollow mineral products, particularly foundry cores | — | 1980-05-27 |