Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163045 | Method and apparatus for making a sand core with an improved production rate | Richard M. Herreid, Jeremy D. Eastman | 2007-01-16 |
| 6666253 | Method and apparatus for making a sand core with an improved hardening rate | Richard M. Herreid, Jeremy D. Eastman | 2003-12-23 |
| 5743953 | Heat curable alumino-silicate binder systems and their use | Helena Twardowska, John Cooper | 1998-04-28 |