Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10898947 | Processes for recovering sand and active clay from foundry waste | Jerald W. Darlington, Jr., Elliot Francis Halphen | 2021-01-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10898947 | Processes for recovering sand and active clay from foundry waste | Jerald W. Darlington, Jr., Elliot Francis Halphen | 2021-01-26 |