Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5092390 | Method and mold for sand casting varying thickness articles | — | 1992-03-03 |
| 4742863 | Mold for sand casting varying thickness articles | — | 1988-05-10 |
| 4674553 | Method for sand casting varying thickness articles | — | 1987-06-23 |
| 4620584 | Green sand mold filling system | — | 1986-11-04 |