Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163045 | Method and apparatus for making a sand core with an improved production rate | Richard M. Herreid, Yuliy Yunovich | 2007-01-16 |
| 6666253 | Method and apparatus for making a sand core with an improved hardening rate | Richard M. Herreid, Yuliy Yunovich | 2003-12-23 |