Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852629 | Cold-box process for forming foundry shapes which utilizes certain carboxylic acids as bench life extenders | John J. Gardikes | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852629 | Cold-box process for forming foundry shapes which utilizes certain carboxylic acids as bench life extenders | John J. Gardikes | 1989-08-01 |