Issued Patents All Time
Showing 1–3 of 3 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, Alain Teyssedre +1 more | 1990-10-09 |
| 4953762 | Pouring tubes | — | 1990-09-04 |
| 4928746 | Moulds for metal casting and sleeves containing filters for use therein | David R. Butler, George Snow, Philip Sandford, Max G. Neu, Alain Teyssedre +1 more | 1990-05-29 |