Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4961460 | Moulds for metal casting and sleeves containing filters for use therein | David R. Butler, George Snow, Philip Sandford, Max G. Neu, Jean P. Villani +1 more | 1990-10-09 |
| 4928746 | Moulds for metal casting and sleeves containing filters for use therein | David R. Butler, George Snow, Philip Sandford, Max G. Neu, Jean P. Villani +1 more | 1990-05-29 |